7/16″ ER-40 COLLET CHUCK ER with R-8 SHANK FOR MILLING MACHINE r8

Specification: Precision Balanced for better running at higher speeds R-8 Mounting fits any lathe spindle with this mount 7/16-20 Drawbar Thread (Standard R8) Complete with chuck wrench Features: Made of high quality material for durability and toughness. Can reduce the use of longer tools, which can reduce costs and improve efficiency. Fine workmanship, good elasticity, high accuracy. Durable to use, straight nut tightening, high rigidity and strong clamping force. Mainly used in all kinds of drilling and milling machines. Package included: 1 Piece R8 Shank ER40 collet chuck 1 Piece ER40 Spanner Note: .