3x ER40 CNC High Precision CNC 1/4, 1/8, 1/2 Inch Dia x 40mm Long Spring Collet

Description

Features:
It is ER40 precision spring collet.
Widely used in boring, milling, drilling, tapping, CNC, sculpture and other processing operations, also can be supported used with the holder of CNC tool.
Big clamping force, wide clamping range, high accuracy.
Specifications:
Material: 65Mn
Accuracy: within 0.008mm
Hardness: HRC 56~60
Taper degree: 16 degree
Outside diameter :
1.58 inch（40mm）
Height: 1.81 inch
Hole diameter:001  1/4'',002  1/8'',003   1/2''
Package Included:
3pcs ER40 Precision Spring Collet
On Jun-29-21 at 07:34:06 PDT, seller added the following information: