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5/8 Hex Key, Long Arm, Alloy Steel, Black Oxide
Unbrako Part No. 107209
|System of Measurement||Inch|
|Arm Style||Long Arm|
|Standard||Meets or Exceeds ASME B18.3|
An UNBRAKO key is not an ordinary hexagon key – it is a precision internal wrenching tool of great strength and ductility. With an UNBRAKO key, far more tightening torque than is needed can be applied without damaging the screw or the key, and it can be done safely.
- Square cut end engages the socket full depth for better tightening of screw ANSI B18.37
- Accurately sized across flats and corners to insure snug fit and full wall contact.
- Size stamped for easy identification.,
- Heat treated alloy steel-key is hard, tough and ductile clear through for longer life and retention of dimensional accuracy.
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