Crafted from premium stainless steel, these 15pcs T bolt screws deliver rustproof, resistant, and high temperature endurances ( 700N / mm² tensile strength), ideal for solar panel installation systems and heavy duty industrial applications Essential for solar technicians, greenhouse builders, and industrial assemblers requiring reliability fastener for aluminum framing systems, solar mounting rails, and structural framework projects for outdoor solar array installations, greenhouse structural reinforcements, and machinery assembly in harsh environments where weather resistant stainless steel fastener are critical Precisions engineered hammers head screws with perfectly flange nut feature burr without threads for effortless installation and vibrations resistant stability in T slot rails and aluminum extrusions Complete set include T bolts and 10 flange nut for instants deployment across multiple projects, featuring adjustable hammers head design for alignment in solar tracking systems and aluminum profile assemblies, Manufacturer: Zeizafa