Coltwell Industries is a manufacturer of cold headed parts, including cold headed bolts and cold headed screws. We offer cold headed parts in both standard and special design. We also have in-house tooling capabilities to ensure that we meet your specific application needs.
Cold forming can be defined as the process of continuously forming a specific shape or design from a metal wire without adding heat. This is aided by hammers, dies, and punches at a very high speed...
Screw machined parts are complex pieces that are typically cylindrical and threaded and a screw machined product is a family of automatic lathes for small to medium-sized components. Screws, bolts, pins, fittings...
Bolts are tools used to fasten and secure the faces of assemblies using a nut. They are threaded and come with a matching nut. Their purpose is to connect aligned unthreaded holes by being placed through...
A fastener is a non-permanent or permanent mechanical tool that rigidly connects or affixes two surfaces or objects together. Non-permanent fasteners can easily be removed without damaging the joined materials...
Powder metallurgy is a manufacturing process that produces precision and highly accurate parts by pressing powdered metals and alloys into a rigid die under extreme pressure. With the development and implementation of technological advances...
A self-drilling screw is a type of tool that has the same design features as a drill bit or cutting tool. As the name implies, self-drilling screws do not require a pilot hole in order to perform as a fastener...
