Description:

SUITABLE FOR: Suitable for ER-type engraving machine, spindle machine, extension rod, locking collet. SIMPLE AND EFFICIENT: These ER nuts are durable, non-shedding, simple and efficient. PRECISION GROUND AND HARDENED: Precision ground and hardened. USED FOR: These ER16A nuts collet clamping nut are used for ER CNC milling chuck holder lathe. PREVENT RUST: The surface adopted the process of oxidative blackening to isolate air and to prevent rust.