Description
Proto J4990 is a socket made of forged alloy steel. Bit length 41.3 mm; drive size 3/8 in; drive type Square. Proto lists Made of heat-treated alloy steel. Available in 2 versions.
Proto J4990 specifications
| Item | Proto data |
|---|---|
| Part number | J4990 (size and colour versions: J49906M, J49905M) |
| Bit Length | 41.3 mm |
| Drive Size | 3/8 in |
| Drive Type | Square |
| Finish | Nickel Chrome |
| Locking Type | Ball |
| Material | Forged Alloy Steel |
| Measuring System | Metric |
| Tip Size | 6 mm; 5 mm |
| Tip Type | Hex |
Source: Proto published product data.
Proto® Metric Socket Bits, available in the versions listed below.
FEATURES
- Made of heat-treated alloy steel
- Hex opening holds the bit allowing the bit holder to take the torque load
Manufacturer item number: J49906M. Select a version to see the exact item number.
Available in 2 versions:
- Metric Socket Bit, 6 mm Tip – J49906M
- Metric Socket Bits, 5 mm Tip – J49905M
