✨ Christmas Special: Get 35% OFF your first order. ✨

Your Shopping Bag

Your bag is empty

Subtotal $0.00
Shipping Calculated at checkout
Continue Shopping

Upgraded Version 5/16-18 X 2 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic Usa (100) Instant 30% Discount [4nY7I1zj]

$29.99 $95.99 -69%

5/16-18 Hex Cap Screws - Grade 5 Introducing our premium 5/16-18 x 2 3/4 Grade 5 Hex Cap Screws, a top choice for professionals and DIY enthusiasts alike. These screws are manufactured in the USA from high-quality medium carbon steel, ensuring superi

Secure Shopping

100% Safe Guarantee

Free Shipping

On orders over $30

Money-Back

30-Day Guarantee

Upgraded Version 5/16-18 X 2 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic Usa (100) Instant 30% Discount [4nY7I1zj]

5/16-18 Hex Cap Screws - Grade 5

Introducing our premium 5/16-18 x 2 3/4 Grade 5 Hex Cap Screws, a top choice for professionals and DIY enthusiasts alike. These screws are manufactured in the USA from high-quality medium carbon steel, ensuring superior strength and durability. With a zinc plated finish, they offer excellent corrosion resistance, making them ideal for a wide range of applications. Whether you're working on automotive projects, home renovations, or industrial assembly, these Grade 5 Hex Cap Screws are up to the task.

Technical Specifications

Our Grade 5 Hex Cap Screws meet or exceed SAE J429 Grade 5 specifications, guaranteeing top-notch quality and performance. Each screw features rolled threads for increased strength and reduced likelihood of stripping. The typical hardness on diameters from 1/4 to 1 inch is HRC 25-34, while diameters over 1 inch to 1 1/2 inch have a hardness ranging from HRC 19-30. With a minimum tensile strength of 120,000 psi for diameters 1/4 to 1 inch and 105,000 psi for diameters over 1 inch to 1 1/2 inch, these screws offer exceptional holding power and reliability.
  • Quality Material: Medium carbon steel for superior strength and durability.
  • Corrosion Resistance: Zinc plated finish to prevent rust and corrosion.

Practical Applications and Benefits

Whether you're a mechanic, a contractor, or a hobbyist, these Grade 5 Hex Cap Screws are a versatile tool for any project. They are perfect for securing metal components, assembling furniture, and more. The following scenarios highlight the benefits of using these screws:
  • Automotive Projects: Ideal for repairing and maintaining vehicles, providing a strong hold in various applications.
  • Home Renovations: A reliable choice for securing structural elements, cabinets, and fixtures in home improvement projects.
  • Industrial Assembly: Suitable for heavy-duty applications, ensuring a secure and long-lasting connection.
With 100 screws per pack, these Grade 5 Hex Cap Screws are a cost-effective solution for all your assembly needs.

What Our Customers Say

February 7, 2026

Absolutely no complaints!

I'm a very happy customer.

- Declan D..

February 7, 2026

Absolutely no complaints!

I'm so happy. It's a great product.

- Darlene Q..

February 7, 2026

Absolutely no complaints!

I'm pleased with the quality.

- Bridget D..

Write a Review

You Might Also Like

Discover more great products from our collection.

Afrikakorps

Afrikakorps

(89)
$19.99 $63.99 -69%
Cooper Silk Canvas Cargo Pant

Cooper Silk Canvas Cargo Pant

(337)
$57.99 $185.99 -69%
Unfurl Wallpaper // Blue

Unfurl Wallpaper // Blue

(676)
$35.99 $115.99 -69%

(256)
$21.99 $70.99 -69%
NEW Cinque Terre

NEW Cinque Terre

(412)
$93.99 $300.99 -69%

Copyright 2026 © mappa-mercia.org

VISA
PayPal
Stripe
Mastercard
CASH ON DELIVERY