5/16"-18 X 1" Machine Screws | Flat Head | Slotted Drive | Silicon Bronze (25/Pkg.)

Machine Screws Slotted Flat Silicon Bronze 5/16-18 x 1 are precision-engineered fasteners designed for dependable performance in metal and wood assemblies. Crafted from silicon bronze, these flat-head screws offer excellent corrosion resistance and non-magnetic properties, making them ideal for marine, electrical, and cabinetry applications.

With a slotted drive for easy installation, these machine screws feature a 5/16 inch diameter, 18 threads per inch (5/16-18 UNC), and a length of 1 inch. The flat (countersunk) head sits flush in the assembly, providing a clean, professional finish.

Why choose silicon bronze machine screws?

• Excellent corrosion resistance in outdoor and humid environments
• Non-magnetic copper alloy for sensitive electrical or magnetic applications
• Strong, durable threads that resist galling in many materials
• Versatile for metal-to-metal, wood with nut, or tapped-hole assemblies
• Slotted drive simplifies insertion and removal with common screwdrivers

Specifications

• Material: Silicon Bronze
• Head Type: Flat (countersunk)
• Drive Type: Slotted
• Diameter: 5/16 in (0.3125 in)
• Thread: 18 TPI (UNC)
• Length: 1 in

Upgrade your hardware projects with these high-quality silicon bronze machine screws and enjoy reliable performance, a clean finish, and long-lasting corrosion resistance.