SK Stainless steel ER spring collet
Wholesale SK Stainless Steel ER Spring Collet is designed for precise and reliable tool clamping in CNC machining. Made from SK-grade stainless steel, it offers excellent corrosion resistance, stable elasticity, and long service life. The ER spring design ensures uniform clamping force, low runout, and high accuracy. Available from ER8 to ER40, it is ideal for milling, drilling, tapping, and precision machining applications.