2 Set ER11 Collet Chuck Motor Shaft Extension Rod Spindle Collet Lathe Tools Holder Inner 8MM

Hardness: 44-48HRC and High Quality. Type: CNC milling Lathe Tool This collet is made of high quality steel for milling lathe tool and work-holding engraving machine. ER straight rod type collet extension handle body is relatively long suitable for deep hole processing. The nut can be directly tightened to a powerful clamping force. This collet can reduce costs efficiency and would be a good replacement part for your one. Type: ER11A-8mm Color: black & silver Material: 45 Steel + spring steel Height: 40mm / 1.57 inch Shaft Diameter: 16mm / 0.63 inch Shaft Inner Diameter: 8mm(+/-0.02mm) / 0.31 inch Nut Diameter: 19mm / 7.48 inch Nut Inner Diameter: 9mm / 3.54 inch Specification: 1/8 4mm 6mm Package Contents: 3 x CNC ER11 1 x ER22 A-8mm Motor shaft tool holder Only the above package content other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.