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B&Q£11.21Visit shop B&Q - 36mm (1 7/16") Crowfoot Wrench 1/2" Drive Crows Feet Spanner For Torque Wrenches
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The AB Tools 36mm Crowfoot Wrench is an essential utility for professional mechanics and DIY enthusiasts who need to tighten or loosen fasteners in confined spaces where standard sockets or ring spanners cannot reach. Its primary benefit is the ability to apply precise torque in restricted areas when paired with a 1/2-inch drive torque wrench; however, users should be aware that the offset nature of the tool requires manual compensation calculations if the torque wrench length is significantly altered.
| Brand | AB Tools |
|---|
No, this tool is specifically designed for 1/2-inch drive tools. You would need a 1/2-inch to 3/8-inch adapter, though this is not recommended for high-torque applications.
No, the tool itself does not have a torque limit, but it must be used with a calibrated torque wrench to achieve your desired fastener torque.
Use the formula: T(actual) = T(set) x (L / (L + E)), where L is the length of the torque wrench and E is the extension length of the crowfoot.
It is designed primarily for hand tools (ratchets and torque wrenches) and should not be used with high-impact power tools.
The wrench is constructed from high-quality, heat-treated steel designed for durability in mechanical applications.
Ensure the ratchet's detent ball is properly seated in the square drive hole of the crowfoot.
Verify the fastener is exactly 36mm. If the fit is loose, stop immediately to prevent further damage.
Check if the crowfoot is fully seated against the nut face and ensure you are pulling the wrench perpendicular to the fastener.
To set up the wrench, simply slide the 1/2-inch square drive of your torque wrench or ratchet into the square opening of the crowfoot. Ensure the detent ball on the drive engages fully with the wrench hole to prevent it from slipping off during use. When using for torque-critical applications, remember that extending the length of your wrench with a crowfoot adds to the lever arm; check your torque wrench manual for the standard formula to adjust the set value. For maintenance, keep the tool clean and free of heavy grit. Wipe it down with a light machine oil after use in damp environments to prevent surface oxidation.
