Bulk 5/16″-18 6-Lobe (Torx) Flat Head Floor-Board Screws — Type F Thread-Cutting, Black-Phosphate Length:300 Qty - 5/16-18 x 3-1/2" 25 stainless steel flat socket

25 stainless steel flat socket cap screws in bulk

These washers are designed to prevent fasteners like screws and bolts from loosening due to vibrations

every screw is passivated to ASTM A967 and factory wax-coated for ultra-low seating torque

Lengths: Fully threaded — common micro lengths available (select above)

#14 Indent Hex Washer Head Self-Drilling Sheet Metal Screws

Bulk 5/16″-18 6-Lobe (Torx) Flat Head Floor-Board Screws — Type F Thread-Cutting, Black-Phosphate Length:300 Qty - 5/16-18 x 3-1/2" 25 stainless steel flat socketMonster Overview: Ideal for steel decking, trailer flooring, truck beds, and thick plywood sub floors, these 5 16 18 6 Lobe (Torx) Flat Head Floor Board Screws feature a Type F fluted point taps mating threads in a pre drilled or punched holeno nut required; chips clear through the flute. A low glare, RoHS compliant black phosphate conversion coat partners with a factory wax oil film to deliver consistently low drive torque and added corrosion