Description
The Proto J5528 is a 3/4 in drive, 7/8 in, 12-point socket. The manufacturer states that 12-point sockets suit stubborn or damaged fasteners and fasteners made from soft materials, and that the TorquePlus design engages the fastener flats rather than the corners.
Per the manufacturer, the radius-corner configuration shifts contact stress away from the fastener corners and spreads it over a larger area of the socket, which helps minimize slippage. It has a ball detent design and a side locking hole, and is made of heat-treated alloy steel. Satin finish; nut depth 45/64 in, bolt clearance depth 1-1/16 in, overall length 2 in. Sold as a single socket.
Features
- 3/4 in drive
- 7/8 in, 12-point
- TorquePlus design engages the fastener flats rather than the corners, per the manufacturer
- Radius-corner design spreads contact stress and helps minimize slippage, per the manufacturer
- Suited to stubborn, damaged or soft-material fasteners, per the manufacturer
- Ball detent design
- Side locking hole
- Made of heat-treated alloy steel, per the manufacturer
- Satin finish
- Sold as a single socket
Specifications
| Specification | Value |
|---|---|
| Model | J5528 |
| Quantity | 1 piece |
| Type | 12-point socket |
| Drive size | 3/4 in |
| Size | 7/8 in |
| Design | TorquePlus 12-point |
| Finish | Satin |
| Material | heat-treated alloy steel |
| Retention | ball detent design, side locking hole |
| Bolt clearance depth | 1-1/16 in |
| Nut depth | 45/64 in |
| Drive end outside diameter | 1-5/16 in |
| Nut end outside diameter | 1-5/16 in |
| Overall length | 2 in |
| Weight | 0.21 kg (0.46 lbs) |
Part numbers
| Manufacturer part number (MPN) | Big Papa SKU |
|---|---|
| J5528 | BP-G-PRO-5528 |
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