3/8"-16 X 1" Machine Screws | Truss Head | Six Lobe Drive | Steel Zinc Plated (750/Pkg.) Powers Fasteners These bolts combine a flange

These bolts combine a flange head with a serrated hex washer

precision fastener

Thread and tighten the bolt to expand the sleeve and secure the load

while the pan head provides a broad bearing surface for secure seating

Corrosion resistance: Zinc plating offers surface protection against corrosion in moderate environments

3/8"-16 X 1" Machine Screws | Truss Head | Six Lobe Drive | Steel Zinc Plated (750/Pkg.) Powers Fasteners These bolts combine a flangeMachine Screws Six Lobe Truss Steel Zinc 3 8 16X1 a rugged, high precision fastener designed for secure, low profile mounting in metal assemblies. The six lobe drive (Torx compatible) and expansive truss head deliver superior torque transfer and broad contact area for reliable performance. Size: 3 8 16 UNC, 1 inch long Head style: Six Lobe Truss head for a low profile appearance and generous bearing surface Drive: Six lobe drive for high torque