Tapping screws form mating threads in materials they are driven into. There are two basic types: thread forming and thread cutting ... rapid insertion because nuts are not used and access is ...

For those times when you could really use a quick 3D model, this metric screw generator will do the trick for screws between M2 and M16 with matching nuts and washers. Fastener hardware is pretty ...

A full set (metric and SAE) will quickly put irreplaceable and hard-to-find nuts and bolts back into ... But instead of cutting new threads, they reshape them to original condition.