03420054 Stahlwille 51a 1-3/16'' SAE Long 12-Point Socket, 1/2'' Square Drive

03420054 Stahlwille 51a 1-3/16'' SAE Long 12-Point Socket, 1/2'' Square Drive Description

The 03420054 Stahlwille 51a 1-3/16'' SAE Long 12-Point Socket, 1/2'' Square Drive is built for professional workshop and industrial use where a longer 1/2'' drive socket can improve access to recessed or obstructed fractional-inch fasteners. Its 1-3/16'' bi-hex AS-Drive profile provides 12-point engagement for SAE fasteners while helping apply force through the fastener flats.

The 03420054 Stahlwille 51a 1-3/16'' SAE Long 12-Point Socket, 1/2'' Square Drive uses a 1/2'' internal square drive and measures 83mm in overall length. Variant-specific dimensions include a 39mm socket-end outside diameter, 37mm drive-end outside diameter, 28mm bore diameter, 35mm broach depth, and 63.9mm socket depth.

Stahlwille manufactures the 51a series from HPQ® high-performance steel, a wear-resistant material that supports high torque while allowing thin-wall, lightweight construction for work in confined spaces. The socket is chrome-plated, and Stahlwille lists ASME B 107.1, Fed. Spec. GGG-W-641, and SAE AS 954-E for this series. This 1-3/16'' version has a listed weight of 377g.

Built for dependable day-to-day professional fastening work, the 03420054 Stahlwille 51a 1-3/16'' SAE Long 12-Point Socket, 1/2'' Square Drive combines an 83mm long body, 12-point AS-Drive profile, HPQ® steel construction, and precise 1-3/16'' sizing for professional maintenance, service, and assembly work.