3/8″ Drive Fractional & Metric Short Hex Bit Sockets
Proto 3/8″ Drive Fractional Short Hex Bit Sockets
- 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
| Part No. | Size |
| J49901/8ST | 1/8" |
| J49905/32ST | 5/32" |
| J49903/16ST | 3/16" |
| J49907/32ST | 7/32" |
| J49901/4ST | 1/4" |
| J49905/16ST | 5/16" |
| J49903/8ST | 3/8" |
Proto 3/8″ Drive Metric Short Hex Bit Sockets
- Made of alloy steel. Polished chrome finish
- 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
| Part No. | Size |
| J4990-4MST | 4mm |
| J4990-5MST | 5mm |
| J4990-6MST | 6mm |
| J4990-7MST | 7mm |
| J4990-8MST | 8mm |
| J4990-9MST | 9mm |
| J4990-10MST | 10mm |
- Contact Heavy Maintenance Supply 205-384-5284 for more information
