Sigma offers a full line of t-nuts and t-nut machines and equipment for inserting t-nuts in to wood or plastic components.
Sigma has supplied over 1000 T-nut Machines to manufacturers throughout the world, including North and South America, Europe, South Africa, New Zealand, Australia, and Japan.
In addition to the popular Hopper fed t-nut machines, Drill Drive
t-nut machines and Coil Drive t-nut machines, Sigma has 2 styles of Rivet t-nut drive machines, the Twin Track T-nut machine, T-nut Drive heads that can be mounted onto routers, double end-tenoners, or other specialized equipment to integrate t-nut insertion into an automated production process.
Sigma also offers a number of fully automatic CNC or robotic T-Nut Punching Systems that punch the t-nuts into the material, eliminating the need to pre-drill holes saving you valuable production time.
Sigma offers a variety of custom and specialty solutions to solve virtually any application requirement.
The Sigma Twin Track Machine, Tecno Mea T-Nut Press, Tecno Mea Point to Point T-Nut Inserter are just some of the custom solutions available to Sigma customers.
feature long serrated prongs to provide increased holding power. The patented shoulder design prevents t-nuts from shingling and jamming in the drive machine.
Both Sigma Rivet and UltraGrip t-nuts are available with the Torqloc thread locking feature.