Order Now 5/16″-18 X 3″ Machine Screws Truss Head Slotted Drive Steel Zinc Plated (400/Pkg.)
Original price was: $153.88.$64.63Current price is: $64.63.
For orders under $150.00, a shipping fee of $12.99 applies.
Machine Screws Slotted Truss Zinc Plated 5/16-18 x 3 are precision-engineered fasteners designed for reliable metal-to-metal and equipment assemblies where a broad bearing surface and secure bite are essential.
These machine screws feature a slotted drive for compatibility with common screwdrivers, a truss head that distributes load over a wide area, and a zinc plating finish that helps resist corrosion in a variety of environments. The 5/16-18 thread size provides strong engagement for standard-finish and coarse-thread fastenings in metal components.
Key specifications
Head type: Truss
Drive type: Slotted
Diameter and thread: 5/16-18
Length: 3 in
Finish: Zinc plated
Whether youâ ™re upgrading fasteners on machinery, enclosures, or metal fittings, these screws deliver dependable performance and easy installation. Order now for fast, secure assemblies that stand up to daily use.





