A torque wrench is a tool used to apply a specific torque to a fastener such as a nut, bolt, or lag screw. It is usually in the form of a socket wrench with special internal mechanisms. For a detailed run through on what torque wrench is, how they work, things to think about and how to use them please watch my video below.
Using Nm = newton metres you can apply a specific force to tighten something.
In simpler terms white knuckling bolts might be possible when you’ve been in the industry 30 years but for most knowing the 8th of a turn to tighten too is a mysterious game that can have expensive consequences…. I’ve cracked clutch houses, split cases and ruptured a nut cap, I’ve even had a trailer wheel fall off when the wheel nut came loose.
The good news is this is all avoidable with the right tools – a torque wrench.
Torque wrenches enable you to tighten to manufacturer specifications and is especially important on light metals like aluminium that can scratch and dent easily. Torque wrenches can also be used to set bolt pulleys, bearings, seal the mating surface between a gasket or crush plate, and more. In short it enables proper tension and loading of all parts
I have another video with my top 10 tools and the torque wrench is in it.
While a torque wrench is not absolutely required, it’s a good idea. For example, you need to ensure the wheel is evenly clamped onto the hub. This prevents the wheel from warping and causing other issues.
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