Collet Chuck Spring Tools Holder CNC Milling Drilling Engraving Tapping Set. Name: ER Collet Chuck Set. Suit for CNC, engraving machines and other equipment.Used in milling, boring, drilling, wire tapping and other operations. Put the collet into the nut, turn the collet slightly. Push it into the nut at the offered direction evenly. When the offset flange into the undercut of the collet. Fix the nut and the collet on the clamp body or machine tool spindle, rotating the nut until the collet is in pressing.
Wipe the straight shank of cutter, and insert it into the pilot hole. Tighten the nut with a wrench till the cutter is clamped heavily. (Caution: never tighten the nut without cutter in it for it will break). When the cutter changed, lossen the nut and it shall bring out the collet and the cutter together, then remove the cutter and push out the collet in the offered direction.
At last installing the different size collet and cutter.