Description: 1/4 inch hex shank adapter to 3/8 inch thread Bohrkopf chuk with lock screw. Features Reverse Thread Screw to Lock the Chuck. Quick connect keyless chuck to any 1/4 inch hex drive tool. for locking steel keyless chuck of 3/8-Inch-24 UNF thread. Screw head fits perfectly into any keyless chucks (3/8-24 UNF). Hex End Used for Increase operator productivity and convenience by speeding bit changeovers.
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