Ko-ken Tools 1 in Square Drive 6-Point Socket, 3-1/16 in - 8400A-3.1/16

Koken 1 inch square drive 6 point socket in 3-1/16 inch is engineered to handle high torque fastening tasks commonly found in heavy duty automotive, industrial, and equipment maintenance applications. Produced with strict dimensional control, this socket delivers accurate and stable engagement on large SAE fasteners, supporting consistent torque transfer under demanding loads. The 6 point design concentrates contact on the flat sides of the fastener, helping maintain secure engagement during tightening and loosening operations. Carefully controlled wall thickness provides the strength required for heavy service while keeping the overall profile balanced for use with professional tool systems. Koken's precision manufacturing processes and quality standards contribute to long service life and resistance to wear during repeated high load use. The accurately machined drive end ensures solid connection with 1 inch square drive ratchets, extensions, and torque tools, while the smooth surface finish supports corrosion resistance and straightforward cleaning, reflecting the professional build quality associated with Koken.

Specifications:

• Drive Shape: Square
• H Size: 42mm
• Input Drive Size: 1 in
• Length: 85mm
• Opening: 6-Point
• Output Size: 3-1/16 in
• D1 Size: 109mm
• D2 Size: 86mm