Spring Collet Set 12PCS R8 ER32 Collet Chuck Holder Wrench CNC Milling Lathe R8 Shank ER32 Collet Chuck Holder + 12Pcs Collets CNC Milling Lathe Set with Box Shank ER32 Chuck Holder

Specification: 12 Pcs ER32 Collet + R8 Shank + Wrench+ box 40Cr material Unique self-releasing system eliminates sticking Suitable for all milling and drilling operations Flute holding capability for the highest concentricity and clamping power Accuracy to 0.004 The thread for an R-8 drawbar is 7/16(.4375)x20 tpi Size:ER-32 Range:R8x4 ER32 collet: 3/32 1/8 3/16 1/4 5/16 3/8 7/16 1/2 9/16 5/8 11/16 and 3/4 Package include: 1 X R8 shank 12 X ER32 Collets 1 X wrench 1 X Black box