- Application
- Item Features
- Standards
Production, Industrial and Professional Applications
- Use extensions to gain access to fasteners in locations that would otherwise be difficult to reach
- Male square is oriented inline with female squares for use with fixed head torque wrenches
- Full chamfer at drive opening for easy engagement with drive tools
- Constructed of high quality tool steel drive end chamfer and four detents help provide quick positive engagement with drive tool on any of the socket drive walls
- Features 2-thru holes and a groove to accept a Proto® retaining ring or pin or O-ring to help secure extension to the drive tool anvil
- For use with impact sockets
- 1-piece construction ensures concentricity
- Special heat treat ensures long life
- Precision machined tips for proper fastener engagement
ASME B107.110|Federal Specification GGG-W-660A