Sharktools 13 Piece CAT 40 ER-20 Collet Chuck Set, 5/32" to 1/2" by 32nds Range - STER2027512

Sharktools 13 Piece CAT 40 ER-20 Collet Chuck Set, 5/32" to 1/2" by 32nds Range - STER2027512

Collet Chucks:

• Balanced to G6.3 at 15,000 RPM to save spindle bearing life
• Taper-to-taper runout <0.0002".
• AD coolant thru the spindle.
• Hardened to 56-60 HRC.
• Taper shank ground to AT3 accuracy (or better).
• Taper manufactured in accordance with ANSI B5.50 / ISO 7388 specifications.
• CAT 40 Draw bar threads: 5/8"-11

Collets:

• T.I.R.: 0.0002"
• True double angle for extreme concentricity.
• Clamping range: .039" (except 1/16" is 0.02")
• Compatible with DR, RD, ESX, AR, & BR series collets.
• All collets inspected for quality and accuracy.

Includes:
(1) ER Collet Chucks, (12) ER Collets

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