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

Your Shopping Bag

Your bag is empty

Subtotal $0.00
Shipping Calculated at checkout
Continue Shopping

Factory Price 1/4-20 X 5/16 Unslotted Indented Serrated Hex Flange Screw Case Hardened Zinc Up To 90% Off [2tZqbjG6]

$49.99 $159.99 -69%

1/4-20 x 5/16 Unslotted Indented Serrated Hex Flange ScrewIntroducing our premium 1/4-20 x 5/16 Unslotted Indented Serrated Hex Flange Screw, a versatile and durable fastener designed for a wide range of applications. This screw is crafted with preci

Secure Shopping

100% Safe Guarantee

Free Shipping

On orders over $30

Money-Back

30-Day Guarantee

Factory Price 1/4-20 X 5/16 Unslotted Indented Serrated Hex Flange Screw Case Hardened Zinc Up To 90% Off [2tZqbjG6]

1/4-20 x 5/16 Unslotted Indented Serrated Hex Flange Screw

Introducing our premium 1/4-20 x 5/16 Unslotted Indented Serrated Hex Flange Screw, a versatile and durable fastener designed for a wide range of applications. This screw is crafted with precision, featuring a case hardened zinc coating for exceptional corrosion resistance and longevity. With its unslotted indented head and serrated threads, it offers a secure grip and easy installation, making it a favorite among professionals and DIY enthusiasts alike.
  • Case hardened zinc coating for superior corrosion resistance
  • Indented head for added security against loosening
  • Serrated threads for enhanced gripping power

Product Properties and Specifications

This high-quality screw is engineered to meet the strictest standards of quality and performance. The 1/4-20 thread size ensures compatibility with a wide range of nuts and bolts, while the 5/16 inch shank diameter provides robust support. The unslotted indented head design not only enhances grip but also prevents the use of a screwdriver, allowing for a quick and easy hand-tightened installation. Additionally, the serrated threads reduce the likelihood of thread stripping, ensuring a long-lasting and reliable connection.
  • Thread size: 1/4-20
  • Shank diameter: 5/16 inch
  • Unslotted indented head design for hand-tightened installation
  • Serrated threads for reduced thread stripping

Practical Uses and Benefits

Our 1/4-20 x 5/16 Unslotted Indented Serrated Hex Flange Screw is an essential tool for various applications, from automotive repairs to home improvement projects. Its robust design and corrosion-resistant coating make it ideal for outdoor use, ensuring that your connections remain secure even in harsh weather conditions. Whether you're assembling furniture, repairing machinery, or building custom fixtures, this screw is up to the task. Its user-friendly design and reliable performance make it a go-to choice for professionals and DIYers who demand the best.
  • Perfect for automotive repairs, home improvement, and custom fixture assembly
  • Corrosion-resistant coating for outdoor use
  • Enhanced grip and security against loosening
  • Reliable performance for professional and DIY applications

What Our Customers Say

February 2, 2026

Absolutely no complaints!

A very smart and well-executed product.

- Lorna G..

February 2, 2026

Absolutely no complaints!

This is a very well-made, useful tool.

- Addison B..

February 2, 2026

Absolutely no complaints!

An incredibly useful and efficient item.

- Howard P..

Write a Review

You Might Also Like

Discover more great products from our collection.

Dried Corn in Field 4737

Dried Corn in Field 4737

(878)
$31.99 $102.99 -69%
Allen-Bradley 2711-M3A18L1

Allen-Bradley 2711-M3A18L1

(683)
$55.99 $179.99 -69%
T50003-SYNEFFD

T50003-SYNEFFD

(221)
$21.99 $70.99 -69%
Malachite - Forme Libre

Malachite - Forme Libre

(739)
$26.99 $86.99 -69%
2024 MILWAUKEE 48-11-1850

2024 MILWAUKEE 48-11-1850

(807)
$45.99 $147.99 -69%

Copyright 2026 © mappa-mercia.org

VISA
PayPal
Stripe
Mastercard
CASH ON DELIVERY