Knowledge portal


For more than 150 years, STAHLWILLE has been developing and producing innovative tools that are unique on the market. As a specialist for intelligent torque technology, tool systems and tightening tools, we know what is important.

Our new knowledge portal gives you access to both general and specific knowledge from the tool world. Whether it is the flexible rod principle or torque, this is where we apply our 150 years of expertise to explain – in several articles – technical background knowledge. Experience our tool knowledge.

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Tightening fasteners with a torque wrench

The use of a torque wrench is advisable wherever a joint requires tightening to a specified torque. If the torque wrench is correctly set, it trips when that torque is reached and displays the correct torque value. This is an important basic prerequisite to achieve the correct target torque. But that alone is sometimes not enough: another crucial...

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Tool Trolleys: your best friends on four wheels

To avoid any nasty surprises when you buy a tool trolley, here are some useful hints on what to look out for. If you take these five tips to heart, nothing can go wrong when you buy a tool trolley – and you'll always have a reliable, everyday partner on four wheels at your side.

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How to maximise the service lifetime of your ratchets/fine-tooth ratchets.

The ratchet is one of the most popular hand tools. But proper handling and care are indispensable to ensure it performs well for a long time. But no need to worry: if you follow these five tips, your ratchets will be reliable companions for many, many fastener joints. TIP 1: USE IT CORRECTLY Professional application is the key to minimising...

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What types of spanners are there?

Basically, there are seven widely used types of wrenches: open-ended and double-ended spanners, sockets and nut spinners, ratchet ring spanners, monkey wrench - english model, monkey wrench - french model, pliers wrenches, box spanners

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How does a ratchet actually work?

Every well-stocked toolbox contains at least one ratchet. There is a good reason for this: unlike a screwdriver, a ratchet can be used to tighten fasteners with ease, even in confined spaces.   Definition: what is a ratchet? In toolmaking, a ratchet or reversible ratchet is a tightening tool that applies torque in one direction only, so there...

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The most common screw head drives

To make a secure bolted connection, it is not only the size of the tool (profile size) that matters – it's just as important to know the most common fastener profiles, their advantages and disadvantages. The following article presents the most important types of fastener heads: Slotted-head screw Cross-slotted screw head (Phillips recess,...

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