Ko-ken Tools 1 in Square Drive 6-Point Socket, 59mm - 8400M-59

Koken 1 inch square drive 6 point socket in 59 mm is developed to support high torque fastening tasks in heavy duty automotive, industrial, and maintenance environments where accuracy and strength are essential. Produced with precise machining standards, this socket delivers a consistent fit on metric fasteners, promoting controlled rotation and stable load transfer during demanding applications. The 6 point design engages the flat surfaces of the fastener to maintain firm contact, supporting dependable performance during tightening and loosening cycles under elevated torque. Carefully balanced wall thickness provides structural integrity while maintaining a practical external profile suited for professional tool systems and large drive assemblies. Koken advanced manufacturing processes and strict quality inspection contribute to long term dimensional accuracy, resistance to deformation, and dependable service life in repeated use conditions. The accurately formed drive end ensures secure connection with 1 inch square drive ratchets, extensions, and torque tools, supporting stable power transmission across the tool system. A refined surface finish enhances resistance to corrosion and wear while allowing straightforward cleaning and maintenance, reflecting the consistent engineering standards and professional quality associated with Koken tools.

Specifications:

• Drive Shape: Square
• H Size: 39mm
• Input Drive Size: 1 in
• Length: 75mm
• Opening: 6-Point
• Output Size: 59mm
• D1 Size: 85.3mm
• D2 Size: 66mm