MOUNTING NUTS WITH SLEEVE COLIC NUT NUT ER MILLING NUT CUTTER HOLDER NUT FASTENING NUTS WITH SLEEVE Made of chrome steel, it is strong and durable, not easy do break. All clamping sleeve nuts have balancing holes that prevent wear and noise. High accuracy and concentricity, prolong the life of the spindle and reduce the cracking coefficient of the drill. Excellent workmanship, reasonable design, professional and practical, can provide you with convenience. LIST OF PACKAGES 4 x fixing nuts COLIC NUT This clamping sleeve attachment nut is made of the highest quality material that withstands long-term use. It contains chrome steel material, which ma high durability, not easy do deformation. Good build quality, provides practicality. This collet clamp nut will make repairing and repairing easier and smoother. NUT ER Color: Black Material: stal chrome plated Size: 1,80 x 1,80 x 1,30 cm or 0,71 x 0,71 x 0,51 inches Inner thread: 14mm Nut pitch: M14x0,75 Outside diameter: 19mm Suitable clamping sleeve: ER11A Appropriate key: 17mm Made of chrome steel, it is strong and durable, not easy do break. All clamping sleeve nuts have balancing holes that prevent wear and noise. High accuracy and concentricity, prolong the life of the spindle and reduce the degree of cracking of the drill. Excellent workmanship, reasonable design, professional and practical, can provide you with convenience.