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

Your Shopping Bag

Your bag is empty

Subtotal $0.00
Shipping Calculated at checkout
Continue Shopping

Ultimate 3/8-16 X 3 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic Usa (400) - Don't Overpay [Mh7Rt20p]

$73.99 $236.99 -69%

3/8-16 x 3 1/2 Hex Cap Screw: High-Tensile Strength SolutionIntroducing the 3/8-16 x 3 1/2 L9 Hex Cap Screw, a premium fastening solution designed for high-stress, severe service environments. This screw is crafted with L9® High Tensile Strength Hex

Secure Shopping

100% Safe Guarantee

Free Shipping

On orders over $30

Money-Back

30-Day Guarantee

Ultimate 3/8-16 X 3 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic Usa (400) - Don't Overpay [Mh7Rt20p]

3/8-16 x 3 1/2 Hex Cap Screw: High-Tensile Strength Solution

Introducing the 3/8-16 x 3 1/2 L9 Hex Cap Screw, a premium fastening solution designed for high-stress, severe service environments. This screw is crafted with L9® High Tensile Strength Hex Cap Screws, known for their exceptional durability and performance. With its robust construction and advanced features, this screw is the ideal choice for demanding applications where reliability is paramount. Key features include:
  • High tensile strength for increased load-bearing capacity
  • Yellow zinc plating for corrosion resistance and longevity
  • Domestic USA manufacturing for quality assurance

Superior Technical Specifications

This L9® Hex Cap Screw is engineered to meet the highest standards of quality and performance. Made from AISI 8640H high-grade alloy steel, it offers a minimum tensile strength of 180,000 psi, ensuring exceptional strength and reliability. The yellow zinc plating, with a minimum thickness of .0002", provides excellent corrosion resistance, making it suitable for various environments. Technical details include:
  • AISI 8640H high-grade alloy steel for superior strength
  • Yellow zinc plating to ASTM B633 Type 2 Class 5 SCI standards
  • ASTM F606 standards for hardness, classification, fit, and elongation

Practical Applications and Benefits

The 3/8-16 x 3 1/2 L9 Hex Cap Screw is an essential component for a wide range of applications, from industrial machinery to automotive repairs. Its high tensile strength and corrosion resistance make it ideal for environments where durability and reliability are critical. Whether you're working on heavy-duty equipment or home improvement projects, this screw delivers the performance you need. Benefits include:
  • Increased load-bearing capacity for heavy-duty applications
  • Corrosion resistance for extended lifespan
  • Quality assurance with domestic USA manufacturing
Invest in the 3/8-16 x 3 1/2 L9 Hex Cap Screw for all your high-stress, severe service needs.

What Our Customers Say

January 26, 2026

Absolutely no complaints!

I'm so happy with the item.

- Cathy M..

January 26, 2026

Absolutely no complaints!

This is a very nice product.

- Maureen Z..

January 26, 2026

Absolutely no complaints!

I'm very satisfied with my final choice.

- Leon Q..

Write a Review

You Might Also Like

Discover more great products from our collection.

Gadget Pant

Gadget Pant

(990)
$22.99 $73.99 -69%
Dolce&Gabbana DG4476 3299/8G

Dolce&Gabbana DG4476 3299/8G

(307)
$42.99 $137.99 -69%
Black Amelia Sunglasses

Black Amelia Sunglasses

(739)
$33.99 $108.99 -69%
4 STARS SERIES

4 STARS SERIES

(629)
$20.99 $67.99 -69%
EL Jean True Blue

EL Jean True Blue

(243)
$36.99 $118.99 -69%

Copyright 2026 © technovaprecision.com

VISA
PayPal
Stripe
Mastercard
CASH ON DELIVERY