23Pcs Mill Collets Set Mill Chuck Holder Kit 1/16" - 3/4" R8 Collet Set Threaded Internally 7/16" - 20 R8 Precision Round Spring Collet Specification: Material: steel Threaded internally: 7/16" - 20 Size: 1/16", 3/32", 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2", 17/32", 9/16", 19/32", 5/8", 21/32", 11/16", 23/32", 3/4 collets Features: 1. The R8 precision round spring collet is made of steel and has been quenched, which has good rigidity, more durability and longer service life.
The mill chuck holder kit holder hole grinding, smooth surface, small resistance, high accuracy, small runout tolerance. The clamping force of the mill collets set is strong and the versatility is strong. Various models meet your needs. Package Includes: 23 x R8 precision round spring collet The size of R8 collet set is 1/16 inch - 3/4 inch, threaded internally of R8 collet set is 7/16 inch - 20.
The R8 accuracy round spring collet is made of steel and has been quenched, which has good rigidity, more durability and longer service life. The R8 collet spring collet kit is applicable to various milling machines with R8 taper holes for clamping tools, which is convenient to use.