Beginning September 25th, 2015 ASTM International officially recognized the TNA Fastening System with it's own specification; ASTM F3148-15 Standard Specification for High Strength Structural Bolt Assemblies, Steel and Alloy Steel, 144ksi Minimum Tensile Strength, Inch Dimensions. For us, this is a pinnacle moment in the development process. No longer is TNA just a great idea. [...]
We have the Bolts! Our complete stock of TnA® bolts have arrived. Inventory now includes plain finish TnA® Bolts in 3/4", 7/8", and 1" Diameters in all standard lengths. For projects requiring Mechanically Galvanized TnA® Bolts, we'll process material to fill your order immediately upon your spec approval. So what are you waiting for! Make [...]
We unveiled our new TnA® Fastening System to rave reviews at the North American Construction Conference (NASCC) in St. Louis, MO. Customers and competitors alike made repeat trips to our booth with colleagues in tow to get a first glimpse at our revolutionary new bolting system. And all the interest didn't go un-noticed by the staff [...]
