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
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 11 - Jul 16

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

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

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.0 ★★★★★
Based on 2447 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
T
Verified Purchase
The Trailerman
Alexandria, US
★★★★★ 5
Good
Size: For iPad 11th A16 11 inch /10th Generation 10.9", Color: Purple
Works as stated and my grandkids love it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026
C
Verified Purchase
Carolina Reyes
Chelsea, US
★★★★★ 3
Excellent Protection and Backlit Keyboard
Size: For iPad 11th A16 11 inch /10th Generation 10.9", Color: Watermelon Red, Size: For iPad 11th A16 11 inch /10th Generation 10.9", Color: Watermelon Red
This tablet case is very useful and practical. I really like that the keyboard has backlight, which makes it easy to use at night or in low-light conditions. It closes perfectly and keeps the tablet well protected from scratches and bumps. The design is modern, comfortable, and ideal for both work and study. Overall, it’s a great purchase and I highly recommend it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026
B
Verified Purchase
Berlinda Philostene
West Palm Beach, US
★★★★★ 5
First the all you guys gotta choose the right size for yall ipad
Size: For iPad 11th A16 11 inch /10th Generation 10.9", Color: Watermelon Red, Size: For iPad 11th A16 11 inch /10th Generation 10.9", Color: Watermelon Red
Very nice. I like how you can set up the iPad vertically or horizontally. Easy to connect. It was supposed to come with a usb c wire to charge it, but didn’t. No big deal I have a few extra ones.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
M
Verified Purchase
Madi Taylor
Boise, US
★★★★★ 5
Highly recommend!!
Color: Yellow
Awesome value for the money. Protects my iPad and looks cute. The keyboard is awesome. Works great and very comfortable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
L
Verified Purchase
Liamnam | Amazon Finds USA
Boise, US
★★★★★ 5
Typecase Case: Premium Quality, Sleek Design, and Reliable Protection
Color: Pink, Color: Pink
I’m genuinely impressed with this Typecase case. From the moment I started using it, the quality of the materials really stood out. It feels sturdy, well-built, and has a sleek, professional look. The protection it offers is excellent—it fits my device perfectly and keeps it safe from scratches and minor drops without adding unnecessary bulk. I use it every day, and it still looks as good as new. One thing I really appreciate is how comfortable and practical it is. The design is thoughtful, making it easy to handle and ideal for both work and everyday use. You can tell it’s made to last
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 30, 2026

recommand products