Features:

Good Quality MaterialThe product is made of 65Mn spring steel, quenched and hardened, internally and externally finely ground, with high precision,high elasticity, tight clamping and stable cutting.

Precisionless than 0.015mm.

SizeLength:17.7mm; Height:0.69'', Outside diameter: 0.45'' (11mm).

UsageWhen in use, it needs to be used together with ER tool holder, shank and extension rod nut. This product is widely used in CNC, milling machines, engraving machines, machining centers and other equipment. It is usually used for milling, boring, drilling, wire tapping and other operations.

Package Included2pcs CNC ER11 Collet.