3PCS CNC Router Bit Adapter 6/635/8mm To 127mm Carbide Engraving Bit CNC Router Tool Adapter Chuck Collets Milling Cutter Description: *Adopt high quality carbide material, good flexibility and wear resistance. High precision, tight and stable clamping. *Made of carbide, processing by heat treatment and precise grinding. *Suitable for engraving machine, applicable to different specifications of the bit tool and chuck *Good elasticity and abrasion resistance. *High precise clamping force, good grip stability. Specification: *Material: Carbide *Color: Black *6mm to 12.7mm: Inner diameter: 6mm/ 0.24inch Outside diameter:12.7mm/ 0.49 inch * 6.35mm to 12.7mm: Inner diameter: 6.35mm/ 0.25inch Outside diameter:12.7mm/ 0.49 inch *8mm to 12.7mm: Inner diameter: 8mm/ 0.31inch Outside diameter:12.7mm/ 0.49 inch Package Contents: 3*Route Bit chuck adaptor Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. _x000D_ _x000D_