Adapters Male Square with Hole
Adapter-SQ3/8"-L32.5-SQ1/2"-H product photo
The groove and through hole found at the output are meant for a pin and O-ring. It securely locks the connection to power tools which prevents the socket from loosening as a result of the vibrations generated by the power tool. Adapters fit between the tool and the socket to allow the socket to adapt to the tool drive that is of a different size or shape than the socket.
Country of origin is JP. Customs tariff is 84799070

Technical Specifications

General
Input
3/8"
Output
1/2"
Type
With hole at the output drive
Output type
Square
Adapter-SQ3/8"-L32.5-SQ1/2"-H product photo

Adapter-SQ3/8"-L32.5-SQ1/2"-H

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Features

To use with pin and O-ring