R8 ER32 7/16 Collet Chuck Holder with 6pcs ER32 Spring Collet Set for CNC Milling Tool

Description: R8 ER32 7/16 Collet Chuck Holder + 6pcs ER32 Collet CNC Milling Tool.     Specifications:  Size: 16cm/6.3 inch.  Spindle: R8 spindle.  Drawbar thread: 7/16.  Precision: 0.01.  ER32 clamping range: 1-20mm.  Suitable For: R8 dedicated machine.  Collet Size:  Material: High Grade 45 Carbon Steel.  Size: 40 x 33mm.  Clamping Diameter: 3mm(1/8") / 6mm(1/4") / 10mm(3/8") / 13mm(1/2") / 16mm(5/8") / 19mm(3/4").  Quantity: 6pcs.     Features:  - ER Straight extension rods, shank body longer for deep hole machining.  - Straight-type handle body, for holding small drilling, milling tools.  - You can reduce the use of longer tools, which can reduce costs, improve efficiency.  - Stability diameter, and other parts have been precision ground to eliminate unbalance.  - Durable, high precision, tighten the nut straight, high rigidity, strong clamping.  - Collet must be assembled into the clamping nut before inserting into the chuck.     Note:  1. Before using this tool, please measuremen