Proto J4990R-5/16 3/8″ Drive Advanced Hex Socket – 5/16″
Proto J4990R-5/16 Includes
- (1) Hex socket
Proto J4990R-5/16 Features
- Made using a heat-treated alloy for wear resistance which helps minimize distortion for a long life.
- Hex opening holds the bit, allowing the bit holder to take the torque load.
Proto J4990R-5/16 Specifications
| SIZE [IN] | 5/16 |
| BIT LENGTH [IN] | 1-5/8 |
| OVERALL LENGTH [IN] | 2-23/32 |
| WEIGHT [LBS] | 0.13 |
| DRIVE SIZE [IN] | 3/8 |
| FINISH | Full Polish |
| LENGTH TYPE | Standard |
| UNIT OF MEASURE | Fractional |
| TIPS | Hex |
| SPECIFICATION AS | SAE AS4984A |
