Engraving Bit Adaptor 6.35mm 1/4 Engraving Adapter 8mm Collet Sleeve For Chuck Collet

Engraving Bit Adaptor 6.35mm 1/4 Engraving Adapter 8mm Collet Sleeve for Chuck Collet Specification: Description: Adopt stainless steel material flexibility and wear resistance. High tight and stable clamping. Features: Made of steel processing by heat treatment and precise grinding. HRC62 fine grinding high size . Suitable for engraving machine ER chuck. elasticity and abrasion resistance. High precise clamping force grip stability. Specifications: Material: Steel Diameter: 8mm / 0.31 outer 6.35mm / 0.25 inner Size: 2.5 x 0.7cm / 0.98 x 0.27 Weight: 5gapprox. Package Includes: 1 x Engraving Adapter