Stainless Steel Hex Head Cap Screw, 5/16-18 x 3-1/2, 50-Pack

Durable 18-8 stainless steel hex head cap screws for high-torque fastening in tapped holes or with nuts. Coarse, partially threaded shank with washer face under the head delivers a secure seal and corrosion resistance for indoor/outdoor projects.

Key Features:

• Corrosion-Resistant Stainless Steel: 18-8 stainless steel for long-lasting performance in outdoor and marine environments
• High-Torque Hex Cap Head: Hex head with machine threads supports strong, reliable tightening with a wrench or drill
• Washer Face Under Head: Built-in washer face helps create a better seal and distribute load
• Partially Threaded (USS): Coarse threads with a solid shank for strength where shear resistance matters
• Bulk 50-Pack: Convenient boxed pack for jobs requiring multiple fasteners

Specifications Table:

Frequently Asked Questions (FAQ):

Q: Are these fully threaded?
A: No. They are USS partially threaded along the shank with coarse machine threads.

Q: What tools are recommended for installation?
A: Tighten with a wrench or a drill using an appropriate hex socket.

Q: Can these be used outdoors?
A: Yes. The 18-8 stainless steel offers enhanced corrosion resistance suitable for outdoor and damp environments.

Q: Do they have a built-in washer?
A: They feature a washer face under the head to improve sealing and load distribution.

Q: What size are these screws?
A: 5/16-18 thread diameter/pitch and 3-1/2 inch length.

Sleek, Industrial Fastening with Enduring Stainless Poise

These stainless hex cap screws bring a crisp, tailored precision to any build, marrying function with a polished industrial aesthetic. The subtle washer face and clean shank lines create a refined detail that elevates cabinetry, fixtures, and custom metalwork. Style them with brushed steel hardware and natural woods for a modern, textural contrast. A staple of luxurious craftsmanship, they deliver performance and poise in equal measure.

Upgrade your project with these corrosion-resistant stainless hex cap screws—order the 50-pack today for dependable, high-torque fastening.