Superior Parts J3113HH 1/2 Capacity 5/8 – 16 Spindle Thread
Heavy Duty Keyed Drill Chuck. This is a heavy duty steel 1/2 inch keyed drill chuck for almost every brand name drill motor. This fits portable & cordless drills with 5/8 - 16 spindle thread. Will fit almost all drills with 1/2 inch chuck including Milwaukee, Porter Cable, Dewalt, Bosch & Makita.