ER40 Lathe Extension 1-1/4″ x 80MM w/o Nut


ER40 Lathe Extension 1-1/4″ Diameter X 80mm Shank Length w/o Nut



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 Swiss Made  Nut from ordering from our Nuts for Tool holders category.

You can select different style nuts for your extension.

040-000NCC Castle Coated Nut

405-004001 Castle Coolant Nut to be used with Coolant Sealed Disc 405-340xxx

Additional information

Weight 3 lbs
Dimensions 7 × 5 × 5 in


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