Precise H.S.S. Combination Drill & Tap, 7/16" Size, 20-NF T.P.I., 1" Drill Length, .3890" Diameter, 1-7/16" Thread Length

Precise H.S.S. Combination Drill & Tap, 7/16" Size, 20-NF T.P.I., 1" Drill Length, .3890" Diameter, 1-7/16" Thread Length

• H.S.S. - High Speed Steel
• Designed to act as both a tool for creating holes and tapping holes in a single operation.
• The helical flute design of both the drill and tap permits the holes to be drilled and threads cut at relatively high speeds.
• To achieve optimal performance and extended tool life, use of suitable cutting oils or coolant fluids is recommended.
• Easily resharpened.
• Tolerance: H3
• Hardness: 58 to 60 RC
• Helix Angle & Style: 25° Helix
• Cutting Direction: Right Hand
• Size Type: ANSI
• Drill point produces the correct hole size for tapping.
• Made with a standard 118° point angle and the flutes have a helix angle of 25°.
• Drill proper size hole and tap the hole in one easy step.
• Bit can be sharpened again and again for extended life.
• Drill point produces correct size hole for tapping.
• Workpiece Material Range: Steel (ISO P), Non-Ferrous (ISO N), Cast Iron (ISO K), Plastics
• Country of Origin: U.S.A.

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