Wera Tools
Wera Tools 5/16" Combination Wrench SAE 12-point
A 12-point combination wrench with a 15-degree offset head and 15-degree opening angle for SAE fasteners
- TypeStrap Wrenches
- 12-point head fits SAE fasteners securely
- 15-degree offset improves access in tight spots
- 15-degree opening angle reduces swing needed
- Alloy steel with nickel-chrome finish resists corrosion
- 5/16 inch head size covers common automotive bolts
5/16" SAE Combination Wrench
The Wera Tools combination wrench delivers a 5/16 inch SAE opening with a 12-point box end for multiple engagement angles. It suits mechanics and DIYers who need a reliable hand tool for hexagonal fasteners in automotive or general maintenance tasks.
Sustained Load Behaviour
The alloy steel body with nickel-chrome finish resists corrosion and rounding during repeated torque cycles. A 15-degree head offset and 15-degree opening angle maintain leverage in confined spaces without slippage under continuous force.
Installation and Common Issues
The wrench fits directly onto the fastener with no assembly required. The 12-point design can strip damaged or soft bolt heads if excessive force is applied, so matching the correct size is essential.
Highlights
- 12-point head fits SAE fasteners securely
- 15-degree offset improves access in tight spots
- 15-degree opening angle reduces swing needed
- Alloy steel with nickel-chrome finish resists corrosion
- 5/16 inch head size covers common automotive bolts
Specifications
| Brand | Wera |
|---|---|
| Type | Strap Wrenches |
Questions about this item
How much clearance does the 15-degree offset give when working all day in tight spots?
The 15-degree offset on both ends provides knuckle clearance similar to traditional offset wrenches while the 12-point box end needs only half the swing of a 6-point.
What drive tools must I already own for this 5/16-inch wrench to work?
None — it is a hand-operated combination wrench with a 12-point box end and open end, so no ratchet, socket or power tool is required.
Will the 12-point box end fit the older 6-point fasteners I already have?
Yes, the 12-point geometry engages standard 6-point hex heads as well as 12-point fasteners, so your existing SAE hardware works with this wrench.
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