Description
3L/3LACRANK type 3-Jaw Extra Long Jaw Stroke Thru-Hole Power ChuckIt's a CRANK type 3-jaw with the large through-hole, and extra long jaw stroke.Matching surfaces of all parts hardened, ground and lubricated directly.Construction of high rigidity and high clamping accuracy.J value is the hole diameter of blank draw nut, K is the maximum thread specification, and it could be customize.