SKU: 58263404600

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

Sale price$56.69 Regular price$62.99
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Description

Hillman 5/16-18 x 3 in Stainless Steel Hex Head Cap Screw, 50-PackStainless Steel Hex Head Cap Screw, 5 16 18 x 3 in (50 Pack) Durable 18 8 stainless steel hex head cap screws built for high torque fastening in tapped holes or with a nut. Coarse 5 16 18 threads and a washer face under the head deliver secure, leak resistant clamping for indoor and outdoor projects. Key Features: Corrosion Resistant Stainless Steel: 18 8 grade resists rust for outdoor and marine applications High Torque Hex Head: Machine threads and

Stainless Steel Hex Head Cap Screw, 5/16-18 x 3 in (50-Pack)

Durable 18-8 stainless steel hex head cap screws built for high-torque fastening in tapped holes or with a nut. Coarse 5/16-18 threads and a washer face under the head deliver secure, leak-resistant clamping for indoor and outdoor projects.


Key Features:

  • Corrosion-Resistant Stainless Steel: 18-8 grade resists rust for outdoor and marine applications
  • High-Torque Hex Head: Machine threads and hex cap enable strong, reliable tightening with wrench or drill
  • Washer Face Seal: Integrated bearing surface under the head improves load distribution and sealing
  • USS Partially Threaded Shank: Provides alignment and shear strength where full thread isn’t needed
  • Bulk Value: 50 pieces per retail pack for jobsite or workshop stock

Specifications Table:

Specification Details
Size 5/16-18 x 3 in
Thread Type Coarse (USS)
Material 18-8 Stainless Steel
Head Type Hex head cap screw
Shank Partially threaded
Washer Face Under-head bearing surface for better seal
Number in Package 50
Packaging Type Boxed
Use For tapped holes or with a nut; tighten with wrench or drill

Frequently Asked Questions (FAQ):

Q: What thread size are these screws?
A: They are coarse 5/16-18 machine-thread hex head cap screws.


Q: Are they fully threaded?
A: No. They are USS style with a partially threaded shank for added strength and alignment.


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


Q: Do they require washers?
A: They feature a washer face under the head for improved sealing, but separate washers can be added if needed for specific applications.


Q: How are they installed?
A: Tighten with a wrench or a drill into a tapped hole or use with a matching 5/16-18 nut.


Sleek Stainless Fasteners with Architectural Poise

These polished hex cap screws bring a refined industrial edge to cabinetry, hardware, and exposed joinery. The crisp hex head and elongated shank create a clean, linear statement while the stainless sheen elevates everyday fixtures. Style them with brushed steel brackets or contrast against matte black frames for a tailored, modern look. A quiet essential, they deliver strength and sophistication in one elegant detail.


Stock your project with this 50-pack of corrosion-resistant hex cap screws for dependable, clean-lined fastening anywhere you need it.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 58263404600

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