ITEM NAME:5Pcs ER20 a Type Collet Clamping Nut for CNC Milling Collet Chuck Holder La W8S3 5Pcs ER20 a Type Collet Clamping Nut for CNC Milling Collet Chuck Holder La W8S3 Model: ER20 UM Black oxide coating Hardened & Precision Ground Measures: Run-out tolerance 0.015mm (0.0006 inch), T: M25 x 1.5mm Colour: black Material: 40CR Size: 34*20.5mm Package Contents: 1 x ER20 A type Clamping Nut
