Home / For sale / Bolting and Torque Tools / Impact Adaptor (step down) 3/4″F x 5/8″M x 55.5mm Long
Impact Adaptor (step down) 3/4″F x 5/8″M x 55.5mm Long
A step-down impact adaptor converting 3/4″ female to 5/8″ male drive, 55.5mm long, cold-forged from chrome molybdenum alloy and made in Japan.
Categories: Bolting and Torque Tools, Sockets and Accessories
Brand: Koken
More Information
The Koken Impact Adaptor 3/4 to 5/8 converts a 3/4″ female square drive to a 5/8″ male square drive, 55.5mm in length. Cold-forged and heat-treated from chrome molybdenum alloy for strength and durability under impact loads. Manufactured in Japan by Koken to precision engineering standards.
Key Features
- Step-down conversion from 3/4″ female to 5/8″ male square drive.
- 55.5mm overall length for practical, secure use.
- Cold-forged, heat-treated chrome molybdenum alloy construction for durability under impact loads.
- Manufactured in Japan by Koken to precision engineering standards.
Typical Applications
- Adapting 3/4″ drive tools to 5/8″ drive sockets
- Torque wrench and impact wrench setups requiring drive size conversion
- Workshop and site use where both drive sizes are in use
- Reducing drive size where a smaller socket is required
Koken Impact Adaptor 3/4 to 5/8 Specifications
| Spec | Detail |
|---|---|
| Type | Step Down |
| Input | 3/4″ Female |
| Output | 5/8″ Male |
| Length | 55.5mm |
| Material | Cold-forged, heat-treated chrome molybdenum alloy |
| Origin | Made in Japan by Koken |





