Hillman 5/16-18 x 3-1/2 in Stainless Steel Hex Head Cap Screw, 50-Pack
Regular price $71.99Stainless 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:
| Specification | Details |
|---|---|
| Brand | Hillman |
| Type | Hex head cap screw |
| Diameter / Thread Pitch | 5/16-18 |
| Length | 3-1/2 inch |
| Material | 18-8 Stainless Steel |
| Thread Type | Coarse |
| Thread Coverage | Partially threaded (USS) |
| Head Feature | Washer face under head |
| Finish | Stainless steel |
| Number in Package | 50 |
| Packaging Type | Boxed |
| Installation | Tighten with wrench or drill |
| Package Dimensions (HxWxL) | 2 in x 3.5 in x 4.5 in |
| Package Weight | 3.3 lb |
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.
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