Socket

The Koken 3305M12 is a precision-engineered, deep-reach 12-point socket featuring a 3/8" square drive and a 12 mm hex opening. Made in Japan, this professional-grade tool offers full-contact engagement and consistent torque delivery. With a 55 mm length, it’s ideal for accessing recessed fasteners in automotive, industrial, and maintenance applications.

Features:
*3/8" square drive allows compatibility with standard ratchets.
*12-point (bi-hexagonal) design enables multiple engagement angles for quick fit and high torque capacity.
*Deep-socket length (55 mm) provides access to recessed or hard-to-reach fasteners.
*Full-contact geometry reduces fastener wear and improves torque transfer.
*Constructed from hardened chrome-alloy steel, cold-forged and heat-treated for durability.
*Precision Japanese manufacturing ensures consistent, professional-grade performance.

Specifications:
*Manufacturer: Koken
*Part Number: 3305M12
*Drive Size: 3/8" square
*Socket Opening: 12 mm hex
*Point Type: 12-point deep socket
*Overall Length: 55 mm
*Weight: Approximately 0.05 kg
*Material: Chrome-alloy steel, cold-forged and heat-treated
*Country of Origin: Japan

Applications:
*Ideal for reaching recessed 12 mm hex fasteners in automotive engines, transmissions, chassis, and suspension systems.
*Perfect for industrial machinery servicing and assembly where bolts are deep-set and require accurate torque.
*Essential for maintenance and repair tasks in tight or confined spaces.
*Highly effective for operations that benefit from 12-point engagement to reduce rounding and enhance grip.
*Full-contact design extends the life of fasteners and tool by improving load distribution.