ATC Specialty Products is a leading stocking distributor of specialized pre-engineered steel-to-steel clamps, fasteners, and construction products. ATC features the BeamClamp and BoxBolt product lines and has a knowledgeable personnel to assist with produ... moreATC Specialty Products is a leading stocking distributor of specialized pre-engineered steel-to-steel clamps, fasteners, and construction products. ATC features the BeamClamp and BoxBolt product lines and has a knowledgeable personnel to assist with product selection and/or custom assemblies design. These structural steel connection products provide the user ability to make safe structural connections without the need to site drill or weld.