Socket

The Koken 3305M09 is a Japanese-made professional-grade deep-reach 12-point socket designed with a 3/8" square drive and a 9 mm hex opening. Boasting a 55 mm overall length, this precision tool offers full-contact engagement and reliable torque transfer, making it ideal for accessing recessed fasteners in automotive, industrial, and maintenance applications.

Features:
*3/8" square drive ensures compatibility with standard ratchets.
*12-point (bi-hexagonal) design offers multiple engagement angles for quick fit and high torque capacity.
*Deep-socket length (55 mm) allows access to recessed and hard-to-reach fasteners.
*Full-contact geometry reduces fastener rounding 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: 3305M09
*Drive Size: 3/8" square
*Socket Opening: 9 mm (metric hex)
*Point Type: 12-point deep socket
*Overall Length: 55 mm
*Dimensions (approx.):
*Output D1: 13 mm
*Inner D2: 17.3 mm
*Hex depth H1: 10 mm
*Socket depth H2: 41.5 mm
*Weight: Approximately 0.046 kg
*Material: Chrome-alloy steel, cold-forged and heat-treated
*Country of Origin: Japan

Applications:
*Ideal for reaching recessed 9 mm hex fasteners in automotive engines, transmissions, chassis, and suspension assemblies.
*Suitable for industrial machinery servicing where fasteners sit deep and require precise torque.
*Essential for maintenance and assembly tasks in tight or confined spaces.
*Perfect for operations relying on 12-point engagement to reduce fastener rounding and increase grip.
*Full-contact design improves torque distribution and prolongs fastener and tool life.