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Special applications require special connections. In the aerospace industry, for example, HI-LOK countersunk rivets are very popular. Below we will explain what lies behind the name as well as the advantages of HI-LOK connections. HI-LOK™ is a registered trademark of Hi-Shear Corporation, a provider of aerospace solutions. They are usually used in...

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...

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.

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, Phillips...

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 is no...