Drill Chucks Steel Drill Bit Electric Hammer Drill Chuck Hex Shank Adapter Thread 38inch24UNF with Screw

3/8Inch-24UNF hex adapter for drill chuck. Hex end used for increase operator productivity and convenience by speeding bit changeovers. Compatible with locking steel chuck of 3/8-Inch-24 UNF thread. Screw head fits perfectly into any key less chucks (3/8-24 UNF).    Specifications:  Thread Inside Diameter: 3/8inch-24UNF Suitable Drill Chuck Size: 6mm, 10mm, 13mm(3/8-24UNF) Color: Black Main Material: Steel Weight: 30 g(approx.) Package Included: 1 x Hex Shank Drill Chuck Adapter 1 x Screw Note: 1, Please allow small errors in the dimensions due to accidental imprecise manual measurement. 2, The color of the item you received may be slightly different from that displayed on photos, as the brightness and color varies in different computer screen.