Stahlwille celebrates its 160th company anniversary this year! When Eduard Wille founded his company in 1862, he proved to have a knack for knowing what customers wanted and markets needed. Today, users all over the world trust in the precision and durability of our tools. In honor of this special anniversary, we are offering a limited edition tool...

Everyone who works professionally with fastener-tightening tools has probably heard of the cam-out effect. And every amateur DIYer has experienced it, even if they are unaware of that name. After all, the cam-out effect is the main cause of accidental tool slippage when working with Phillips screws. What causes the cam-out effect? And why does it...

Creating a permanent and secure connection – this goal is common to all bolted connections. To achieve it, a specific mounting preload force must be obtained when tightening the screw. In this article you can find out why the loss of preload force should be taken into account and what the type and condition of the screw have to do with it! What...

A good guide is the seven-to-seven rule – when 24-hour temperatures drop to around 7 °C in the winter and rise above 7 °C in spring. This is the recommendation of most tyre manufacturers. Those who change the wheels themselves have the advantage of being able to react flexibly to weather conditions, and there is no need to wait for an appointment...

As a long-standing partner to the aviation industry and a supplier to hangars all over the world, STAHLWILLE knows what matters when it comes to aircraft maintenance and repair: professional service engineers need tools that guarantee accurate, safe and efficient work – so that the aircraft is ready for use again without delay. This is why...

What are the effects on tightness of a rusted fastener? What happens if a coated fastener is used instead of a conventional one or if the fastener is accidentally lubricated? Does torque tightening alone also ensure in such cases that the preload force required for a permanently secure connection is actually achieved? We will address these...