Ko-ken Tools 1 in Square Drive 12-Point Socket, 51mm - 8405M-51

Koken 1 inch square drive 12 point socket in 51 mm is engineered to support accurate fastener engagement and stable torque transmission in heavy duty automotive, industrial, and equipment maintenance applications. Produced to precise dimensional tolerances, this socket delivers a consistent and secure fit on metric fasteners, allowing smooth rotation and controlled load transfer during demanding use. The 12 point design increases engagement positions, improving access and efficiency when working in confined areas with limited tool swing. Carefully balanced wall thickness maintains structural strength while preserving a practical outer profile suited for professional tool systems. Koken advanced machining methods and rigorous quality standards contribute to long term dimensional stability, resistance to wear, and dependable performance under repeated high torque conditions. The precision formed drive end ensures reliable attachment to 1 inch square drive ratchets, extensions, and torque tools, while the refined surface finish supports corrosion resistance and straightforward maintenance, reflecting the professional quality associated with Koken tools.

Specifications:

• Drive Shape: Square
• H Size: 38mm
• Input Drive Size: 1 in
• Length: 72mm
• Opening: 12-Point
• Output Size: 51mm
• D1 Size: 70.5mm
• D2 Size: 53mm