5/16"-18 X 1-1/4" Machine Screws | Round Head | Slotted Drive | Silicon Bronze (25/Pkg.)

Machine Screws Slotted Round Silicon Bronze 5/16-18 X 1 1/4 are precision-engineered fasteners designed for durable, corrosion-resistant performance in a variety of demanding applications. Made from silicon bronze, these screws offer excellent corrosion resistance and non-magnetic properties, making them ideal for marine, outdoor, and electrical use.

These slotted round-head machine screws provide a classic drive and reliable seating for tapped holes or through-hole assemblies. The 5/16 inch diameter and 18 threads per inch (5/16-18 UNC) give a sturdy grip in many common materials.

• Material: Silicon bronze (CuSi3) for superior corrosion resistance, non-magnetic behavior, and attractive golden-bronze finish.
• Size & Thread: 5/16 diameter, 18 threads per inch (5/16-18 UNC).
• Length: 1 1/4 inch overall length.
• Head & Drive: Slotted round head with a traditional slot drive for straightforward installation.
• Finish: Natural silicon bronze finish that resists tarnish and blends into bronze hardware.
• Applications: Ideal for marine hardware, outdoor fixtures, cabinetry, electronics enclosures, and decorative fittings where non-magnetic, corrosion-resistant fasteners are required.
• Why choose silicon bronze: Offers excellent corrosion resistance in saltwater environments, is non-sparking, and provides a high-quality aesthetic for visible hardware.

Upgrade your fastener collection with these dependable silicon bronze machine screws—combining classic slotted-head design with modern corrosion resistance for enduring performance. Add to your toolkit today to ensure a secure fit in your next project.