HHIP 3900-5148 ER-11 Spring Collet, 1/4"
ER-11 1/4" Spring Collet ~ Range of collet is .236-.275. ~ Made of high grade tool steel. ~ Hardened and precision ground. ~ Meets or exceeds Federal specifications. ~ Major diameter is .453". ~ Overall length is .709". ~ Collet must be placed into collet chuck nut before inserting into collet chuck.