3/4" R8 Clamp Diameter Milling Chuck Spring Collet Socket

Description

Features: Made of highest grade steel available Precision ground to close tolerance Hardened and ground throughout Suitable for all kinds of milling machine spindle taper hole for the R8 Specifications: material:65MN Hardness :HRC55 -60 Precision: Drawbar Thread internally : 7/16"-20 The clamping hole diameter: 001:1/8'' 002:3/16'' 003:1/4'' 004:5/16'' 005:3/8'' 006: 1/2'' 007:5/8'' 008:3/4'' Package Included: 1 pcs Precision R8 Collet