INTBUYING ER40 NMTB40 Tool Shank Chuck Collets Set For Milling Engraving Machine 23Pcs 1/8 to 1

Product Description: Suitable for R8 MT CAT BT chuck holders. Made from alloy spring steel and hardened to HRC 44-48. Indicated fractional size is true imperial size NOT from metric conversion. DIN6499B standard. Tested T.I.R: 0.0003 Product Features: Hole Size: 1/8 5/32 3/16 7/32 1/4 9/32 5/16 11/32 3/8 7/16 15/32 1/2 9/16 19/32 5/8 11/16 23/32 3/4 13/16 27/32 7/8 29/32 1 . Item included: ER40 COLLETS SET 1/8 to 1 (23 PCs)(054173)