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 ...

The diameter of a thread milling cutter is smaller than the drilled hole, and the cutter turns in an elliptical orbit to reduce cutting torque when compared with machine tapping. One of the most ...

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 ...

Taps and dies are great for cutting new threads or repairing old threads on metals, plastics and other hard materials. Taps cut threads on the inside of holes and dies cut threads on the outside of ...