Socket

The Koken 2305M05 is a precision-engineered deep socket designed for use with 1/4" (6.35 mm) square-drive tools. Made in Japan, it features a substantial 50 mm length and 12-point bi-hexagonal geometry in durable chrome-plated construction, delivering reliable performance for recessed or hard-to-reach metric fasteners.

Features:
*Drive size: 1/4" (6.35 mm) square drive
*12-point geometry offers more engagement angles, speeding up start-up on nuts and bolts.
*Deep 50 mm length accommodates recessed hex fasteners.
*Chrome-plated finish for corrosion resistance and easy cleaning.
*Flat-drive design maintains full surface contact between drive and fastener for optimized torque transfer.
*Forged chrome-molybdenum alloy steel, cold-forged and heat-treated to exceed DIN and ISO standards.

Specifications:
*Brand: Koken
*Part number: 2305M05
*Drive size: 1/4" square (6.35 mm)
*Socket size: 5 mm
*Point count: 12-point
*Total length (L): 50 mm
*Total width (D1): 8 mm
*Inside depth (H): 6 mm
*Material and finish: Chrome-plated chrome-molybdenum alloy steel
*Country of origin: Japan

Applications:
*Ideal for fasteners recessed in machinery, automotive engines, and equipment housings.
*Suitable for metric 5 mm hex bolts in electronics repair, bicycle maintenance, and appliance servicing.
*The deep design helps technicians and DIY enthusiasts reach fasteners tucked behind panels or components.
*The 12-point geometry enhances speed of engagement in repetitive tasks on hex and square fasteners.