1/2 Inch Drive x 11 mm Hex Impact Bit Socket BoltsandNuts.com Internal Thread: 5/8"-11

Internal Thread: 5/8"-11

These drill bits have a 1/2" reduce shank

Part Number: BIT-SDS7818

Part Number: BIT-DMS04-1040

Part Number KFD3F1-25/64

1/2 Inch Drive x 11 mm Hex Impact Bit Socket BoltsandNuts.com Internal Thread: 5/8"-11Size is marked both with a high visibility laser marking and a permanent stamped marking that won't wear off 6 sided hexagonal S2 steel bit tip is machined to precise tolerances for an exact fit with hex fasteners Two piece design allows bit and socket to be optimized separately, for a more durable tool than traditional one piece designs Drive end is made of 4140 chromium molybdenum (Cr Mo) steel and properly heat treated for use on impact wrenches