Socket

The Koken 3305M07 is a Japanese-made, professional-grade deep-reach 12-point socket with a 3/8" square drive and a 7 mm hex opening. Engineered for precision and durability, this 55 mm deep socket is ideal for accessing recessed fasteners in automotive, industrial, and maintenance environments.

Features:
*3/8" square drive ensures compatibility with standard ratchets.
*12-point (bi-hexagonal) design provides multiple engagement angles for quick fit and high torque capacity.
*Deep-socket length (55 mm) enables access to recessed or hard-to-reach fasteners.
*Flat Drive contact maintains full surface engagement to reduce fastener wear and enhance torque transfer.
*Constructed from cold-forged, heat-treated chrome-molybdenum alloy exceeding DIN/ISO standards for toughness.
*Precision Japanese craftsmanship ensures consistent, reliable performance.

Specifications:
*Manufacturer: Koken
*Part Number: 3305M07
*Drive Size: 3/8" square
*Socket Opening: 7 mm hex
*Point Type: 12-point deep socket
*Overall Length: 55 mm
*Dimensions (approx): Outer D1 10.6 mm; D2 17.3 mm; H1 8 mm; H2 41.5 mm
*Weight: Approximately 0.04 kg
*Material: Chrome-molybdenum alloy, cold-forged and heat-treated
*Country of Origin: Japan

Applications:
*Ideal for reaching recessed 7 mm hex fasteners in automotive engines, transmissions, and chassis.
*Effective in industrial equipment servicing where hardware is deep-set and requires precise torque.
*Suitable for machinery maintenance in tight or confined spaces.
*Excellent choice for assembly and service tasks benefiting from 12-point engagement to minimize fastener rounding.
*Flat Drive engagement reduces wear and extends the life of both fastener and tool.