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{"AddThisServiceButtonMeta":"","add_this":[{"annotation":"","service":"facebook"},{"annotation":"","service":"email"},{"annotation":"","service":"print"}],"add_to_wishlist_url":"/wishlist.php?action=add&product_id=86458","availability":"","brand":{"name":"Jacobs","url":"https://www.penntoolco.com/brands/Jacobs.html"},"bulk_discount_rates":[],"can_purchase":true,"cart_url":"https://www.penntoolco.com/cart.php","category":[],"custom_fields":[{"id":"317275","name":"Model","value":"18N"},{"id":"317276","name":"Range","value":"1/8 - 3/4\""},{"id":"317277","name":"Mount","value":"JT4"},{"id":"317278","name":"Key","value":"K4"}],"customizations":[],"description":"<p>ID: 86458<br /><br /></p>\r\n<p><a href=\"https://www.penntoolco.com/jacobs/\" target=\"_blank\"><img title=\"Jacobs Chuck\" src=\"https://cdn1.bigcommerce.com/n-yp39j5/4s9liwcv/product_images/uploaded_images/jacobs-chuck-logo-newpt-desc.jpg\" alt=\"Jacobs Chuck\" width=\"189\" height=\"75\" /></a></p>\r\n<h2><span style=\"color: #000080;\">Jacobs Super Chuck Keyed Ball Bearing Drill Chuck 18N, 1/8 - 3/4\" Range, JT4 Mount</span></h2>\r\n<p><br /><span style=\"font-size: medium;\">JT4, 1/8 to 3/4\" Capacity, Tapered Mount Drill Chuck</span><br /><span style=\"font-size: medium;\"> Keyed, 3-1/64\" Sleeve Diam, 3-31/32\" Open Length</span><br /><span style=\"font-size: medium;\"> Catalog Number: 30233</span></p>\r\n<p><span style=\"font-size: medium; color: #000080;\"><strong>Features:</strong></span></p>\r\n<ul>\r\n<li><span style=\"font-size: medium;\">Specially engineered for heavy duty close tolerance production drilling.</span></li>\r\n<li><span style=\"font-size: medium;\">Ideal for use on jig borers, milling machines, lathes and radial drill presses.</span></li>\r\n<li><span style=\"font-size: medium;\">Ball bearing construction maximizes gripping force and drilling accuracy.</span></li>\r\n<li><span style=\"font-size: medium;\">Jaws are centerground for absolute straightness and alignment.</span></li>\r\n<li><span style=\"font-size: medium;\">All working components are hardened for maximum wear resistance</span></li>\r\n<li><span style=\"font-size: medium;\">Tapered mount drill chucks have an internal Jacobs Taper (JT) that is press-fit onto a corresponding JT arbor (shank) or spindle.</span></li>\r\n<li><span style=\"font-size: medium;\">Keyed chucks are engineered to either loosen or tighten the hold on a tool by using a key. Keyed chucks offer the advantage of applying additional torque on the bit when slippage is a concern during heavy-duty applications.</span></li>\r\n<li><span style=\"font-size: medium;\">Ball bearings are designed to reduce friction in the tightening mechanism and provide a better grip on the drill. They are used for heavy-duty machining and require a key for tightening or loosening.</span></li>\r\n<li><span style=\"font-size: medium;\">Ball Bearing Construction Maximizes Gripping Force and Drilling Accuracy.</span></li>\r\n<li><span style=\"font-size: medium;\">Jaws Center-Ground for Straightness and Alignment.</span></li>\r\n<li><span style=\"font-size: medium;\">One-Piece Sleeve Eliminates Crack Between Driving Teeth Often Found in Other Designs.</span></li>\r\n<li><span style=\"font-size: medium;\">Through-Hardened Sleeve Teeth Plus Hardened Nose and Keyholes Provide Outstanding Wear Resistance.</span></li>\r\n<li><span style=\"font-size: medium;\">Fluted Sleeve Standard.</span></li>\r\n<li><span style=\"font-size: medium;\">Each Chuck 100% Inspected for Performance and Precision.</span></li>\r\n<li><span style=\"font-size: medium;\">T.I.R. 0.003\" Maximum at Half Capacity.</span></li>\r\n</ul>\r\n<p><span style=\"font-size: medium; color: #000080;\"><strong>Specifications:</strong></span></p>\r\n<table style=\"border: 2px solid black; border-collapse: collapse;\">\r\n<tbody>\r\n<tr class=\"first odd\">\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">UPC</td>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">095456302334</td>\r\n</tr>\r\n<tr class=\"even\">\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">Set</td>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">No</td>\r\n</tr>\r\n<tr class=\"odd\">\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">Maximum Capacity</td>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">0.750 in</td>\r\n</tr>\r\n<tr class=\"even\">\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">Minimum Capacity</td>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">0.125 in</td>\r\n</tr>\r\n<tr class=\"odd\">\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">Mount</td>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">4JT</td>\r\n</tr>\r\n<tr class=\"even\">\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">Sleeve Outer Diameter</td>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">3.01 in</td>\r\n</tr>\r\n<tr class=\"odd\">\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">Model Number</td>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">18N</td>\r\n</tr>\r\n</tbody>\r\n</table>\r\n<p>&nbsp;</p>\r\n<table style=\"border: 2px solid black; border-collapse: collapse;\">\r\n<tbody>\r\n<tr>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">Manufacturer Part #</td>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\"><span>30233</span><br /><span>18N</span></td>\r\n</tr>\r\n<tr>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">Maximum Drill Chuck Capacity (mm)</td>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">19.05</td>\r\n</tr>\r\n<tr>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">Maximum Drill Chuck Capacity (Inch)</td>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">3/4</td>\r\n</tr>\r\n<tr>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">Maximum Drill Chuck Capacity (Decimal Inch)</td>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">0.7500</td>\r\n</tr>\r\n<tr>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">Minimum Drill Chuck Capacity (mm)</td>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">3.18</td>\r\n</tr>\r\n<tr>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">Minimum Drill Chuck Capacity (Inch)</td>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">1/8</td>\r\n</tr>\r\n<tr>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">Minimum Drill Chuck Capacity (Decimal Inch)</td>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">0.1250</td>\r\n</tr>\r\n<tr>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">Mount Type</td>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">Tapered Mount</td>\r\n</tr>\r\n<tr>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">Mounting Size</td>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">JT4</td>\r\n</tr>\r\n<tr>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">Key Style</td>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">Keyed</td>\r\n</tr>\r\n<tr>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">Bearing Type</td>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">Ball Bearing</td>\r\n</tr>\r\n<tr>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">Material</td>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">Steel</td>\r\n</tr>\r\n<tr>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">Closed Length (mm)</td>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">130.18</td>\r\n</tr>\r\n<tr>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">Closed Length (Inch)</td>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">5-1/8</td>\r\n</tr>\r\n<tr>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">Open Length (mm)</td>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">100.81</td>\r\n</tr>\r\n<tr>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">Open Length (Inch)</td>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">3-31/32</td>\r\n</tr>\r\n<tr>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">Sleeve Diameter (mm)</td>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">76.60</td>\r\n</tr>\r\n<tr>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">Sleeve Diameter (Inch)</td>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">3-1/64</td>\r\n</tr>\r\n<tr>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">Key Number</td>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">K4</td>\r\n</tr>\r\n<tr>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">TIR (Decimal Inch)</td>\r\n<td style=\"border-color: #000000; padding: 5px; border-style: solid; border-width: 1px;\">0.0030</td>\r\n</tr>\r\n</tbody>\r\n</table>\r\n<p><br /><br /><span style=\"font-size: medium;\">See all <span style=\"color: #0000ff;\"><a href=\"https://www.penntoolco.com/jacobs-super-chuck-keyed-ball-bearing-drill-chucks/\" target=\"_blank\"><span style=\"color: #0000ff;\">Jacobs Super Chuck Keyed Ball Bearing Drill Chucks</span></a></span></span></p>","detail_messages":"","gift_wrapping_available":false,"gtin":"095456302334","id":"86458","images":[{"alt":"Jacobs Super Chuck Keyed Ball Bearing Drill Chuck 18N, 1/8 - 3/4\" Range, JT4 Mount - 71-743-9","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/86458/457195/71-743-9-Jacobs-Super-Chuck-Keyed-Ball-Bearing-Drill-Chuck-18N__59335.1607980146.jpg?c=2"},{"alt":"Jacobs Super Chuck Keyed Ball Bearing Drill Chuck 18N, 1/8 - 3/4\" Range, JT4 Mount - 71-743-9","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/86458/322022/Jacobs_18N__07076.1500986354.JPG?c=2"},{"alt":"Jacobs Super Chuck Keyed Ball Bearing Drill Chuck 18N, 1/8 - 3/4\" Range, JT4 Mount - 71-743-9","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/86458/89345/imageRendering__98126__11678.1418087405.gif?c=2"}],"main_image":{"alt":"Jacobs Super Chuck Keyed Ball Bearing Drill Chuck 18N, 1/8 - 3/4\" Range, JT4 Mount - 71-743-9","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/86458/457195/71-743-9-Jacobs-Super-Chuck-Keyed-Ball-Bearing-Drill-Chuck-18N__59335.1607980146.jpg?c=2"},"max_purchase_quantity":0,"meta_description":"","meta_keywords":"","min_purchase_quantity":0,"mpn":"18N","num_reviews":0,"options":[],"page_title":"","price":{"tax_label":"Tax","without_tax":{"currency":"USD","formatted":"$399.95","value":399.95}},"rating":0,"shipping":{"calculated":true},"shipping_messages":[],"show_quantity_input":1,"similar_by_views":[{"add_to_cart_url":"https://www.penntoolco.com/cart.php?action=add&product_id=86463","add_to_wishlist_url":"/wishlist.php?action=add&product_id=86463","availability":"","brand":{"name":"Jacobs"},"category":[],"custom_fields":[{"id":317263,"name":"Model","value":"20N"},{"id":317264,"name":"Range","value":"3/8 - 1\""},{"id":317265,"name":"Mount","value":"JT5"},{"id":317266,"name":"Key","value":"K5"}],"date_added":"22nd Oct 2014","demo":false,"has_options":false,"id":86463,"image":{"alt":"Jacobs Super Chuck Keyed Ball Bearing Drill Chuck 20N, 3/8 - 1\" Range, JT5 Mount - 71-744-7","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/86463/457202/71-744-7-Jacobs-Super-Chuck-Keyed-Ball-Bearing-Drill-Chuck-20N__36657.1607980735.jpg?c=2"},"images":[{"alt":"Jacobs Super Chuck Keyed Ball Bearing Drill Chuck 20N, 3/8 - 1\" Range, JT5 Mount - 71-744-7","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/86463/457202/71-744-7-Jacobs-Super-Chuck-Keyed-Ball-Bearing-Drill-Chuck-20N__36657.1607980735.jpg?c=2"},{"alt":"Jacobs Super Chuck Keyed Ball Bearing Drill Chuck 20N, 3/8 - 1\" Range, JT5 Mount - 71-744-7","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/86463/322023/Jacobs_20N__55415.1500986637.JPG?c=2"},{"alt":"Jacobs Super Chuck Keyed Ball Bearing Drill Chuck 20N, 3/8 - 1\" Range, JT5 Mount - 71-744-7","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/86463/89346/imageRendering__98126__71036.1418087407.gif?c=2"}],"low_stock_level":null,"name":"Jacobs Super Chuck Keyed Ball Bearing Drill Chuck 20N, 3/8 - 1\" Range, JT5 Mount - 71-744-7","num_reviews":null,"pre_order":false,"price":{"tax_label":"Tax","without_tax":{"currency":"USD","formatted":"$540.77","value":540.77}},"qty_in_cart":0,"rating":null,"show_cart_action":true,"sku":"71-744-7","stock_level":null,"summary":"ID: 86463\r\n\r\nJacobs Super Chuck Keyed Ball Bearing Drill Chuck 20N, 3/8 - 1\" Range, JT5 Mount\r\nJT5, 3/8 to 1\" Capacity, Tapered Mount Drill Chuck Keyed, 3-21/32\" Sleeve Diam, 4-1/4\" Open Length...","url":"https://www.penntoolco.com/jacobs-super-chuck-keyed-ball-bearing-drill-chuck-20n-3-8-1-range-jt5-mount-71-744-7/","weight":{"formatted":"9.00 LBS","value":9}},{"add_to_cart_url":"https://www.penntoolco.com/cart.php?action=add&product_id=86445","add_to_wishlist_url":"/wishlist.php?action=add&product_id=86445","availability":"","brand":{"name":"Jacobs"},"category":[],"custom_fields":[{"id":317267,"name":"Model","value":"14N"},{"id":317268,"name":"Range","value":"0 - 1/2\""},{"id":317269,"name":"Mount","value":"JT3"},{"id":317270,"name":"Key","value":"K3"}],"date_added":"22nd Oct 2014","demo":false,"has_options":false,"id":86445,"image":{"alt":"Jacobs Super Chuck Keyed Ball Bearing Drill Chuck 14N, 0 - 1/2\" Range, JT3 Mount - 71-741-3","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/86445/457191/71-741-3-Jacobs-Super-Chuck-Keyed-Ball-Bearing-Drill-Chuck-14N__05307.1607979375.jpg?c=2"},"images":[{"alt":"Jacobs Super Chuck Keyed Ball Bearing Drill Chuck 14N, 0 - 1/2\" Range, JT3 Mount - 71-741-3","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/86445/457191/71-741-3-Jacobs-Super-Chuck-Keyed-Ball-Bearing-Drill-Chuck-14N__05307.1607979375.jpg?c=2"}],"low_stock_level":null,"name":"Jacobs Super Chuck Keyed Ball Bearing Drill Chuck 14N, 0 - 1/2\" Range, JT3 Mount - 71-741-3","num_reviews":null,"pre_order":false,"price":{"tax_label":"Tax","without_tax":{"currency":"USD","formatted":"$239.95","value":239.95}},"qty_in_cart":0,"rating":null,"show_cart_action":true,"sku":"71-741-3","stock_level":null,"summary":"ID: 86445\r\n\r\nJacobs Super Chuck Keyed Ball Bearing Drill Chuck 14N, 0 - 1/2\" Range, JT3 Mount\r\nJT3, 0 to 1/2\" Capacity, Tapered Mount Drill Chuck Keyed, 2-7/16\" Sleeve Diam, 2-31/32\" Open Length...","url":"https://www.penntoolco.com/jacobs-super-chuck-keyed-ball-bearing-drill-chuck-14n-0-1-2-range-jt3-mount-71-741-3/","weight":{"formatted":"2.00 LBS","value":2}},{"add_to_cart_url":"https://www.penntoolco.com/cart.php?action=add&product_id=86450","add_to_wishlist_url":"/wishlist.php?action=add&product_id=86450","availability":"","brand":{"name":"Jacobs"},"category":[],"custom_fields":[{"id":317271,"name":"Model","value":"16N"},{"id":317272,"name":"Range","value":"1/8 - 5/8\""},{"id":317273,"name":"Mount","value":"JT3"},{"id":317274,"name":"Key","value":"K4"}],"date_added":"22nd Oct 2014","demo":false,"has_options":false,"id":86450,"image":{"alt":"Jacobs Super Chuck Keyed Ball Bearing Drill Chuck 16N, 1/8 - 5/8\" Range, JT3 Mount - 71-742-1","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/86450/457193/71-742-1-Jacobs-Super-Chuck-Keyed-Ball-Bearing-Drill-Chuck-16N__80360.1607979767.jpg?c=2"},"images":[{"alt":"Jacobs Super Chuck Keyed Ball Bearing Drill Chuck 16N, 1/8 - 5/8\" Range, JT3 Mount - 71-742-1","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/86450/457193/71-742-1-Jacobs-Super-Chuck-Keyed-Ball-Bearing-Drill-Chuck-16N__80360.1607979767.jpg?c=2"},{"alt":"Jacobs Super Chuck Keyed Ball Bearing Drill Chuck 16N, 1/8 - 5/8\" Range, JT3 Mount - 71-742-1","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/86450/322020/Jacobs_16N__47226.1500985993.JPG?c=2"},{"alt":"Jacobs Super Chuck Keyed Ball Bearing Drill Chuck 16N, 1/8 - 5/8\" Range, JT3 Mount - 71-742-1","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/86450/89344/imageRendering__98126__80655.1418087403.gif?c=2"}],"low_stock_level":null,"name":"Jacobs Super Chuck Keyed Ball Bearing Drill Chuck 16N, 1/8 - 5/8\" Range, JT3 Mount - 71-742-1","num_reviews":null,"pre_order":false,"price":{"tax_label":"Tax","without_tax":{"currency":"USD","formatted":"$269.95","value":269.95}},"qty_in_cart":0,"rating":null,"show_cart_action":true,"sku":"71-742-1","stock_level":null,"summary":"ID: 86450\r\n\r\nJacobs Super Chuck Keyed Ball Bearing Drill Chuck 16N, 1/8 - 5/8\" Range, JT3 Mount\r\nJT3, 1/8 to 5/8\" Capacity, Tapered Mount Drill Chuck Keyed, 2-5/8\" Sleeve Diam, 3-1/4\" Open Length...","url":"https://www.penntoolco.com/jacobs-super-chuck-keyed-ball-bearing-drill-chuck-16n-1-8-5-8-range-jt3-mount-71-742-1/","weight":{"formatted":"2.00 LBS","value":2}},{"add_to_cart_url":"https://www.penntoolco.com/cart.php?action=add&product_id=86438","add_to_wishlist_url":"/wishlist.php?action=add&product_id=86438","availability":"","brand":{"name":"Jacobs"},"category":[],"custom_fields":[{"id":317246,"name":"Model","value":"11N"},{"id":317247,"name":"Range","value":"0 - 3/8\""},{"id":317248,"name":"Mount","value":"JT2"},{"id":317249,"name":"Key","value":"K32"}],"date_added":"22nd Oct 2014","demo":false,"has_options":false,"id":86438,"image":{"alt":"Jacobs Super Chuck Keyed Ball Bearing Drill Chuck 11N, 0 - 3/8\" Range, JT2 Mount - 71-740-5","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/86438/457183/71-740-5-Jacobs-Super-Chuck-Keyed-Ball-Bearing-Drill-Chuck-11N__52994.1607978762.jpg?c=2"},"images":[{"alt":"Jacobs Super Chuck Keyed Ball Bearing Drill Chuck 11N, 0 - 3/8\" Range, JT2 Mount - 71-740-5","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/86438/457183/71-740-5-Jacobs-Super-Chuck-Keyed-Ball-Bearing-Drill-Chuck-11N__52994.1607978762.jpg?c=2"},{"alt":"Jacobs Super Chuck Keyed Ball Bearing Drill Chuck 11N, 0 - 3/8\" Range, JT2 Mount - 71-740-5","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/86438/322019/Jacobs_11N__20945.1500985633.JPG?c=2"},{"alt":"Jacobs Super Chuck Keyed Ball Bearing Drill Chuck 11N, 0 - 3/8\" Range, JT2 Mount - 71-740-5","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/86438/89342/imageRendering__98126__76334.1418087399.gif?c=2"}],"low_stock_level":null,"name":"Jacobs Super Chuck Keyed Ball Bearing Drill Chuck 11N, 0 - 3/8\" Range, JT2 Mount - 71-740-5","num_reviews":null,"pre_order":false,"price":{"tax_label":"Tax","without_tax":{"currency":"USD","formatted":"$166.39","value":166.39}},"qty_in_cart":0,"rating":null,"show_cart_action":true,"sku":"71-740-5","stock_level":null,"summary":"ID: 86438\r\n\r\nJacobs Super Chuck Keyed Ball Bearing Drill Chuck 11N, 0 - 3/8\" Range, JT2 Mount\r\nJT2, 0 to 3/8\" Capacity, Tapered Mount Drill Chuck Keyed, 1-15/16\" Sleeve Diam, 2-1/4\" Open Length...","url":"https://www.penntoolco.com/jacobs-super-chuck-keyed-ball-bearing-drill-chuck-11n-0-3-8-range-jt2-mount-71-740-5/","weight":{"formatted":"2.00 LBS","value":2}},{"add_to_wishlist_url":"/wishlist.php?action=add&product_id=86466","availability":"","brand":{"name":"Jacobs"},"category":["Brands/Jacobs","Tooling and Accessories","Tooling and Accessories/Drill Chucks & Accessories"],"custom_fields":null,"date_added":"22nd Oct 2014","demo":false,"has_options":false,"id":86466,"image":{"alt":"71-741-3","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/86466/457192/71-741-3-Jacobs-Super-Chuck-Keyed-Ball-Bearing-Drill-Chuck-14N__75370.1607979433.jpg?c=2"},"images":[{"alt":"71-740-5","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/86466/457184/71-740-5-Jacobs-Super-Chuck-Keyed-Ball-Bearing-Drill-Chuck-11N__92259.1607978872.jpg?c=2"},{"alt":"71-741-3","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/86466/457192/71-741-3-Jacobs-Super-Chuck-Keyed-Ball-Bearing-Drill-Chuck-14N__75370.1607979433.jpg?c=2"},{"alt":"71-742-1","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/86466/457194/71-742-1-Jacobs-Super-Chuck-Keyed-Ball-Bearing-Drill-Chuck-16N__81750.1607979814.jpg?c=2"},{"alt":"Jacobs Super Chuck Keyed Ball Bearing Drill Chucks","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/86466/14696/imageRendering__98126.1607979432.gif?c=2"}],"low_stock_level":null,"name":"Jacobs Super Chuck Keyed Ball Bearing Drill Chucks","num_reviews":null,"pre_order":false,"qty_in_cart":0,"rating":null,"show_cart_action":false,"sku":null,"stock_level":null,"summary":"\r\nJacobs Super Chuck Keyed Ball Bearing Drill Chucks\r\nFeatures:\r\n\r\nSpecially engineered for heavy duty close tolerance production drilling.\r\nIdeal for use on jig borers, milling machines, lathes and...","url":"https://www.penntoolco.com/jacobs-super-chuck-keyed-ball-bearing-drill-chucks/","weight":{"formatted":"0.00 LBS","value":0}},{"add_to_cart_url":"https://www.penntoolco.com/cart.php?action=add&product_id=87046","add_to_wishlist_url":"/wishlist.php?action=add&product_id=87046","availability":"","brand":{"name":"Jacobs"},"category":[],"custom_fields":[{"id":253623,"name":"Capacity","value":"1/8 - 3/4\""},{"id":253624,"name":"Mount","value":"4 JT Short"},{"id":253625,"name":"Uses Key No.","value":"K4"}],"date_added":"22nd Oct 2014","demo":false,"has_options":false,"id":87046,"image":{"alt":"Jacobs Superchuck Ball Bearing 3/4\" Chuck #30233 - 18N","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/87046/366460/jacobs-superchuck-ball-bearing-chuck-16N__35690.1544723953.jpg?c=2"},"images":[{"alt":"Jacobs Superchuck Ball Bearing 3/4\" Chuck #30233 - 18N","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/87046/366460/jacobs-superchuck-ball-bearing-chuck-16N__35690.1544723953.jpg?c=2"},{"alt":"Jacobs Superchuck Ball Bearing 3/4\" Chuck #30233 - 18N","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/87046/89705/imageRendering__42169__62226.1418088444.gif?c=2"}],"low_stock_level":null,"name":"Jacobs Superchuck Ball Bearing 3/4\" Chuck #30233 - 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It is...","url":"https://www.penntoolco.com/jacobs-superchuck-ball-bearing-3-4-chuck-30233-18n/","weight":{"formatted":"3.00 LBS","value":3}},{"add_to_cart_url":"https://www.penntoolco.com/cart.php?action=add&product_id=87048","add_to_wishlist_url":"/wishlist.php?action=add&product_id=87048","availability":"","brand":{"name":"Jacobs"},"category":[],"custom_fields":[{"id":253626,"name":"Capacity","value":"3/8 - 1\""},{"id":253627,"name":"Mount","value":"5 JT Short"},{"id":253628,"name":"Uses Key No.","value":"K5"}],"date_added":"22nd Oct 2014","demo":false,"has_options":false,"id":87048,"image":{"alt":"Jacobs Superchuck Ball Bearing 1\" Chuck #30239 - 20N","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/87048/366466/jacobs-superchuck-ball-bearing-chuck-16N__15984.1544724198.jpg?c=2"},"images":[{"alt":"Jacobs Superchuck Ball Bearing 1\" Chuck #30239 - 20N","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/87048/366466/jacobs-superchuck-ball-bearing-chuck-16N__15984.1544724198.jpg?c=2"},{"alt":"Jacobs Superchuck Ball Bearing 1\" Chuck #30239 - 20N","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/87048/89706/imageRendering__42169__51124.1418088446.gif?c=2"}],"low_stock_level":null,"name":"Jacobs Superchuck Ball Bearing 1\" Chuck #30239 - 20N","num_reviews":null,"pre_order":false,"price":{"tax_label":"Tax","without_tax":{"currency":"USD","formatted":"$499.95","value":499.95}},"qty_in_cart":0,"rating":null,"show_cart_action":true,"sku":"20N","stock_level":null,"summary":"ID: 87048\r\n\r\nJacobs Superchuck Ball Bearing 1\" Chuck #30239 - 20N\r\nJacob's Super Chuck Ball Bearing Drill Chuck is specifically engineered for heavy-duty, close tolerance production drilling. 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It is...","url":"https://www.penntoolco.com/jacobs-superchuck-ball-bearing-3-8-chuck-30215-11n/","weight":{"formatted":"3.00 LBS","value":3}},{"add_to_cart_url":"https://www.penntoolco.com/cart.php?action=add&product_id=87052","add_to_wishlist_url":"/wishlist.php?action=add&product_id=87052","availability":"","brand":{"name":"Jacobs"},"category":[],"custom_fields":[{"id":136985,"name":"Capacity","value":"0 - 1/4\""},{"id":136986,"name":"Mount","value":"2 JT Short"},{"id":136987,"name":"Uses Key No.","value":"K30"}],"date_added":"22nd Oct 2014","demo":false,"has_options":false,"id":87052,"image":{"alt":"Jacobs Superchuck Ball Bearing 1/4\" Chuck #30209 - 8-1/2N","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/87052/366467/jacobs-superchuck-ball-bearing-chuck-16N__15509.1544724350.jpg?c=2"},"images":[{"alt":"Jacobs Superchuck Ball Bearing 1/4\" Chuck #30209 - 8-1/2N","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/87052/366467/jacobs-superchuck-ball-bearing-chuck-16N__15509.1544724350.jpg?c=2"},{"alt":"Jacobs Superchuck Ball Bearing 1/4\" Chuck #30209 - 8-1/2N","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/87052/89707/imageRendering__42169__41057.1418088448.gif?c=2"}],"low_stock_level":null,"name":"Jacobs Superchuck Ball Bearing 1/4\" Chuck #30209 - 8-1/2N","num_reviews":null,"pre_order":false,"price":{"tax_label":"Tax","without_tax":{"currency":"USD","formatted":"$149.95","value":149.95}},"qty_in_cart":0,"rating":null,"show_cart_action":true,"sku":"8-1/2N","stock_level":null,"summary":"ID: 87052\r\n\r\nJacobs Superchuck Ball Bearing 1/4\" Chuck #302098-1/2N\r\nJacob's Super Chuck Ball Bearing Drill Chuck is specifically engineered for heavy-duty, close tolerance production drilling. It is...","url":"https://www.penntoolco.com/jacobs-superchuck-ball-bearing-1-4-chuck-30209-8-1-2n/","weight":{"formatted":"3.00 LBS","value":3}},{"add_to_wishlist_url":"/wishlist.php?action=add&product_id=87059","availability":"","brand":{"name":"Jacobs"},"category":["Brands/Jacobs","Tooling and Accessories","Tooling and Accessories/Drill Chucks & Accessories"],"custom_fields":null,"date_added":"22nd Oct 2014","demo":false,"has_options":false,"id":87059,"image":{"alt":"Jacobs High Precision Drill Chucks: Ball Bearing Super Chucks","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/87059/366459/jacobs-superchuck-ball-bearing-chuck-16N__46339.1544723649.jpg?c=2"},"images":[{"alt":"Jacobs High Precision Drill Chucks: Ball Bearing Super Chucks","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/87059/366459/jacobs-superchuck-ball-bearing-chuck-16N__46339.1544723649.jpg?c=2"},{"alt":"Jacobs High Precision Drill Chucks: Ball Bearing Super Chucks","data":"https://cdn11.bigcommerce.com/s-4s9liwcv/images/stencil/{:size}/products/87059/14868/imageRendering__42169.1414002251.gif?c=2"}],"low_stock_level":null,"name":"Jacobs High Precision Drill Chucks: Ball Bearing Super Chucks","num_reviews":null,"pre_order":false,"qty_in_cart":0,"rating":null,"show_cart_action":false,"sku":null,"stock_level":null,"summary":"\r\nJacobs High Precision Drill Chucks: Ball Bearing Super Chucks\r\nJacob's Super Chuck Ball Bearing Drill Chuck is specifically engineered for heavy-duty, close tolerance production drilling. It is...","url":"https://www.penntoolco.com/jacobs-high-precision-drill-chucks-ball-bearing-super-chucks/","weight":{"formatted":"0.00 LBS","value":0}}],"sku":"71-743-9","tags":[],"title":"Jacobs Super Chuck Keyed Ball Bearing Drill Chuck 18N, 1/8 - 3/4\" Range, JT4 Mount - 71-743-9","upc":"095456302334","url":"https://www.penntoolco.com/jacobs-super-chuck-keyed-ball-bearing-drill-chuck-18n-1-8-3-4-range-jt4-mount-71-743-9/","warranty":"Super Chuck Keyed Ball Bearing Drill Chuck","weight":"4.00 LBS"}

Jacobs Super Chuck Keyed Ball Bearing Drill Chuck 18N, 1/8 - 3/4" Range, JT4 Mount - 71-743-9



Product Description

ID: 86458

Jacobs Chuck

Jacobs Super Chuck Keyed Ball Bearing Drill Chuck 18N, 1/8 - 3/4" Range, JT4 Mount


JT4, 1/8 to 3/4" Capacity, Tapered Mount Drill Chuck
Keyed, 3-1/64" Sleeve Diam, 3-31/32" Open Length
Catalog Number: 30233

Features:

  • Specially engineered for heavy duty close tolerance production drilling.
  • Ideal for use on jig borers, milling machines, lathes and radial drill presses.
  • Ball bearing construction maximizes gripping force and drilling accuracy.
  • Jaws are centerground for absolute straightness and alignment.
  • All working components are hardened for maximum wear resistance
  • Tapered mount drill chucks have an internal Jacobs Taper (JT) that is press-fit onto a corresponding JT arbor (shank) or spindle.
  • Keyed chucks are engineered to either loosen or tighten the hold on a tool by using a key. Keyed chucks offer the advantage of applying additional torque on the bit when slippage is a concern during heavy-duty applications.
  • Ball bearings are designed to reduce friction in the tightening mechanism and provide a better grip on the drill. They are used for heavy-duty machining and require a key for tightening or loosening.
  • Ball Bearing Construction Maximizes Gripping Force and Drilling Accuracy.
  • Jaws Center-Ground for Straightness and Alignment.
  • One-Piece Sleeve Eliminates Crack Between Driving Teeth Often Found in Other Designs.
  • Through-Hardened Sleeve Teeth Plus Hardened Nose and Keyholes Provide Outstanding Wear Resistance.
  • Fluted Sleeve Standard.
  • Each Chuck 100% Inspected for Performance and Precision.
  • T.I.R. 0.003" Maximum at Half Capacity.

Specifications:

UPC 095456302334
Set No
Maximum Capacity 0.750 in
Minimum Capacity 0.125 in
Mount 4JT
Sleeve Outer Diameter 3.01 in
Model Number 18N

 

Manufacturer Part # 30233
18N
Maximum Drill Chuck Capacity (mm) 19.05
Maximum Drill Chuck Capacity (Inch) 3/4
Maximum Drill Chuck Capacity (Decimal Inch) 0.7500
Minimum Drill Chuck Capacity (mm) 3.18
Minimum Drill Chuck Capacity (Inch) 1/8
Minimum Drill Chuck Capacity (Decimal Inch) 0.1250
Mount Type Tapered Mount
Mounting Size JT4
Key Style Keyed
Bearing Type Ball Bearing
Material Steel
Closed Length (mm) 130.18
Closed Length (Inch) 5-1/8
Open Length (mm) 100.81
Open Length (Inch) 3-31/32
Sleeve Diameter (mm) 76.60
Sleeve Diameter (Inch) 3-1/64
Key Number K4
TIR (Decimal Inch) 0.0030



See all Jacobs Super Chuck Keyed Ball Bearing Drill Chucks


Item Number: 71-743-9
Brand: Jacobs




Item Number Description Price Quantity
68-015 $0.00
Add to Cart
$399.95