Bulk 5/16″-18 6-Lobe (Torx) Pan Head Floor-Board Screws — Type F Thread-Cutting, Black-Phosphate Length:300 Qty - 5/16-18 x 2-1/2" Thread Size: #2-56 UNC

Thread Size: #2-56 UNC

These ASTM A194 Grade 8M Heavy Hex Nuts are suitable for high-pressure and high-temperature applications where superior corrosion resistance is critical

• Browse all Type F thread-cutting screws

Material: Heat-treated carbon steel for outstanding tensile & shear strength

Bulk 5/16″-18 6-Lobe (Torx) Pan Head Floor-Board Screws — Type F Thread-Cutting, Black-Phosphate Length:300 Qty - 5/16-18 x 2-1/2" Thread Size: #2-56 UNCMonster Overview: Designed for steel decking, trailer floors and heavy timber to steel joints, these 5 16 18 6 Lobe (Torx) Pan Head Floor Board Screws feature a Type F cutting point that taps its own threads in mild steel or dense hardwoodno nuts, no pre tapping. A low glare black phosphate conversion coat with light oil provides corrosion resistance and RoHS compliance, while a factory wax oil film keeps drive torque predictably low. Supplied in bulk