1/4" Hex Dr. Adaptor 3/8 Square Pin type
1/4" Hex Dr. Adaptor 3/8 Square Pin type
Ko-ken adaptors represent precision engineering at its finest, enabling seamless drive system conversion while maintaining the uncompromising quality standards that professionals demand. This 1/4" hex to 3/8" square drive pin-type adaptor bridges the gap between compact hex tools and versatile 3/8" socket systems with exceptional reliability.
Engineered with a robust pin retention mechanism, this adaptor delivers secure socket engagement through a hardened steel retaining pin that locks 3/8" drive sockets firmly in position. The positive-lock pin system provides confident retention with an audible click, ensuring your sockets remain securely attached during demanding applications while permitting deliberate socket changes. Perfect for controlled automotive, industrial, and mechanical environments.
This adaptor transforms your compact hex drive tools into a powerful 3/8" socket driving system, ideal for automotive repair, machinery maintenance, and general mechanical work requiring medium-duty fastening capabilities in space-constrained areas.
Specifications:
- Input Drive Size: 1/4"
- Drive Shape: Hexagon
- Type: Adaptor
- Output Size: 3/8" Square
- Pin Type: Yes

Description
1/4" Hex Dr. Adaptor 3/8 Square Pin type
Ko-ken adaptors represent precision engineering at its finest, enabling seamless drive system conversion while maintaining the uncompromising quality standards that professionals demand. This 1/4" hex to 3/8" square drive pin-type adaptor bridges the gap between compact hex tools and versatile 3/8" socket systems with exceptional reliability.
Engineered with a robust pin retention mechanism, this adaptor delivers secure socket engagement through a hardened steel retaining pin that locks 3/8" drive sockets firmly in position. The positive-lock pin system provides confident retention with an audible click, ensuring your sockets remain securely attached during demanding applications while permitting deliberate socket changes. Perfect for controlled automotive, industrial, and mechanical environments.
This adaptor transforms your compact hex drive tools into a powerful 3/8" socket driving system, ideal for automotive repair, machinery maintenance, and general mechanical work requiring medium-duty fastening capabilities in space-constrained areas.
Specifications:
- Input Drive Size: 1/4"
- Drive Shape: Hexagon
- Type: Adaptor
- Output Size: 3/8" Square
- Pin Type: Yes




















