ER-25 BT40 SPRING COLLET CHUCK (3900-7612)

ER-25 BT40 Spring Collet Chuck For CNC machines with BT taper spindles. Concentricity is .0002". All critical surfaces are hardened and precision ground. Gage depth is 2.36". Collet range is 0.040-0.629". Draw bar thread is M16 X 2.00. Nut type is spanner. Shipping Weight: 2.7 lbs