✨ Get 20% OFF your first order. ✨

Your Shopping Bag

Your bag is empty

Subtotal $0.00
Shipping Calculated at checkout
Continue Shopping

Bestselling 3/4-10 X 3 3/4 Grade 8 Hex Cap Screw Plain Domestic Usa (25) Kit [5mH42U3u]

$36.99 $118.99 -69%

Bestselling 3/4-10 X 3 3/4 Grade 8 Hex Cap Screw Plain Domestic Usa (25) Kit [5mH42U3u]. Grade 8 Hex Cap Screws are manufactured in the USA from medium carbon alloy steel. In diameters 1/4 to 1 1/2 inches our Grade 8 material meets or exceeds SAE J429 Grade 8 specifications. D

Secure Shopping

100% Safe Guarantee

Free Shipping

On orders over $30

Money-Back

30-Day Guarantee

Bestselling 3/4-10 X 3 3/4 Grade 8 Hex Cap Screw Plain Domestic Usa (25) Kit [5mH42U3u]. Grade 8 Hex Cap Screws are manufactured in the USA from medium carbon alloy steel. In diameters 1/4 to 1 1/2 inches our Grade 8 material meets or exceeds SAE J429 Grade 8 specifications. Diameters over 1 1/2 inches meet or exceed ASTM A354 Grade BD. All material is manufactured with rolled threads. Yellow zinc plated bolting will meet or exceed ASTM F1941. Typical hardness on diameters 1/4 to 2 1/2 inches is HRC 33-39. On diameters over 2 1/2 inches, hardness will range from HRC 31-39. Tensile strength on diameters 1/4 to 2 1/2 inches is a minimum of 150,000 psi. Diameters over 2 1/2 inches have a meet a minimum of 140,000 psi.

What Our Customers Say

January 11, 2026

Absolutely no complaints!

So happy with the product.

- Lisa P..

January 11, 2026

Absolutely no complaints!

I'm thoroughly happy with it.

- Cora T..

January 11, 2026

Absolutely no complaints!

Can't say enough good things.

- Lila W..

Write a Review

You Might Also Like

Discover more great products from our collection.

Custom Prism Mini Bong

Custom Prism Mini Bong

(64)
$36.99 $118.99 -69%
Shure SH-RBMICSTAND12

Shure SH-RBMICSTAND12

(733)
$47.99 $153.99 -69%

Copyright 2026 © mappa-mercia.org

VISA
PayPal
Stripe
Mastercard
CASH ON DELIVERY