ER25 CNC Lathe Collet Chuck / Extension 1-1/4″ x 60mm w/o ER Nut – AA

Description

Techleader ER Type high precision cylindrical shank lathe extension can be used in a wide range of applications on CNC lathes & Swiss CNC Screw Machines

Can be used for drilling, milling, reaming & rigid tapping  operations

Weldon Flat for set screw engagement

O-Ring on the back of the shank for sealing for Coolant Thru machining operation

Run-out on the cylindrical shank are maintained within 5um/0.0002″

Surface finish max Ra0.25 which provides the ability for higher clamping force & torque

h6 tolerance on cylindrical shanks for better clamping & extended tool life

You can add your Nut from ordering from our Nuts for Tool holders category

You can select different style nuts for your extension.

025-000NCC Castle Coated Nut