8 pcs Collet Clamping Nut Router Bit Holder Nut ER11-A Collet Tool Nut Supply

Description This collet clamping nut is made of premium material which can withstand long-lasting use. Features the chromium steel material which has high durability not easy to deform. Fine workmanship practicality. This collet clamping nut will make the repair and fix easier and smoother. Features -Color: Black -Material: chromium steel -Size: 1.80X1.80X1.30cm/0.71X0.71X0.51in Inner thread: 14mm Nut pitch: M14x0.75 External diameter: 19mm Suitable collet: ER11-A Suitable wrench: 17mm - Made of chromium steel it is strong and durable not easy to break. - All collet clamping nuts have balancing holes to prevent wear and noise. - High accuracy and concentricity prolong the service life of the spindle and reduce the breakage rate of the drill bit. - It is suitable for ER-type tool holders tool bars extension rod nuts to hold drills boring tools and other tools. - Exquisite workmanship reasonable structure professional and practical can bring you convenience.