They hold together everything from the most delicate watch to the largest bridge. The world is literally kept from coming apart by screws and bolts, and yet we don’t often give a thought to these ...

Tapping screws form mating threads in materials they are driven into. There are two basic types: thread forming and thread cutting. The thread-forming screw displaced material around the pilot hole so ...

Movies and TV shows consistently promote lead characters who are able to complete their mission with little or no help from others. In the world of fastening, self-tapping screws fit this role better ...

It’s not news that Leonardo DaVinci was somewhat ahead of his time, and over the centuries many of the creations in his sketchbooks have been created and proved quite functional. The guys from the ...

New 2670 Metric Thread Restorer File 0.75, 1.00, 1.25, 1.50, 1.75, 2.00, 2.50, 3.00mm Thread Pitch LANG 2670 Metric Thread Restorer File 0.75, 1.00, 1.25, 1.50, 1.75 ...

It’s easy to cut bolts and small machine screws to length. On the other hand, there isn’t any job so small or simple that it can’t be done wrong, and this is a classic example. Get it right, and you ...

Shoulder screws, also known as shoulder bolts and stripper bolts, are machine screws with an integral shoulder or journal between the head and thread. Although they are not readily available in local ...