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.

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
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