Socket

The Koken 3405A20 is a precision-engineered 12-point socket with a 3/8" square drive, measuring 5/8" external size and 28 mm total length. Featuring Koken’s Flat Drive technology, it delivers excellent grip, reduces wear, and ensures efficient torque transmission. Its compact form and top-tier construction make it suitable for professional automotive, industrial, and mechanical applications.

Features:
*12-point design ensures secure fastener engagement and allows 30° indexing for improved access in tight spaces.
*Flat Drive system maintains flat contact between socket and bolt/nut, reducing wear and supporting higher torque transfer.
*Flat Drive design extends to both the square drive end and the internal hexagonal or bi-hexagonal openings.
*Compact total length (28 mm) enhances accessibility in restricted areas.
*Made from high-quality chrome alloy steel for superior strength and longevity.
*Chrome-plated finish offers corrosion resistance and facilitates easy cleaning.
*Manufactured in Japan, reflecting Koken’s renowned precision and quality standards.

Specifications:
*Brand: Koken
*Product Number: 3405A20
*Drive Size: 3/8 inch square drive
*Socket Size (Output): 5/8 inch
*Point Configuration: 12-point
*Total Length: 28 mm
*Diameter (D1 x D2): 22 mm x 20 mm
*Inside Depth (H): 12 mm
*Weight: approximately 0.04 kg (40 g)
*Construction: Chrome alloy steel
*Finish: Chrome plated
*Country of Origin: Japan

Applications:
*Automotive maintenance: ideal for engine bolts, accessory mounts, small suspension fasteners, and interior assemblies.
*Industrial servicing: suited for machinery bolts, instrumentation brackets, and equipment panel fasteners.
*Construction and assembly: useful in tight-access installation tasks requiring precision torque.
*General mechanical work: perfect for confined-space jobs where a compact and durable socket is essential.