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

Your Shopping Bag

Your bag is empty

Subtotal $0.00
Shipping Calculated at checkout
Continue Shopping

Handcrafted Bulk 9/16"-18 Grade 8 Hex Cap Screws (zinc Yellow Cr+6 Bake, Unf) Massive 85% Savings [CeR047JI]

$45.99 $147.99 -69%

Bulk Zinc Yellow CR+6 Bake Hex Cap ScrewsLooking for high-quality, durable fasteners for your industrial or automotive projects? Our Bulk 9/16"-18 Grade 8 Hex Cap Screws are the perfect choice. These screws are finished with a zinc-yellow CR+6 bake f

Secure Shopping

100% Safe Guarantee

Free Shipping

On orders over $30

Money-Back

30-Day Guarantee

Handcrafted Bulk 9/16"-18 Grade 8 Hex Cap Screws (zinc Yellow Cr+6 Bake, Unf) Massive 85% Savings [CeR047JI]

Bulk Zinc Yellow CR+6 Bake Hex Cap Screws

Looking for high-quality, durable fasteners for your industrial or automotive projects? Our Bulk 9/16"-18 Grade 8 Hex Cap Screws are the perfect choice. These screws are finished with a zinc-yellow CR+6 bake for superior corrosion protection, ensuring long-lasting performance in demanding environments. With multiple length options and a fine-thread (UNF) design, these screws deliver exceptional clamping force and vibration resistance, making them ideal for automotive, machinery, and industrial applications.

Key Product Features

Our 9/16"-18 Grade 8 Hex Cap Screws are designed with a focus on quality and performance. Here are some of the key features that set them apart:
  • Diameter: 9/16 inch
  • Thread Size: 9/16"-18 – UNF (Fine) Thread
  • Material & Finish: Grade 8 alloy steel with zinc-yellow CR+6 bake for corrosion resistance
  • System of Measurement: Inch (Imperial / US)
These screws conform to ASTM B18.2.1 specifications, ensuring consistency and reliability. The zinc-yellow CR+6 finish not only provides corrosion resistance but also enhances the appearance of your projects. Plus, these screws are available in bulk, allowing you to save on costs and maintain a steady inventory.

Ideal Applications and Benefits

These Grade 8 hex cap screws are suitable for a wide range of applications, including automotive and engine components, industrial machinery and equipment, construction, agricultural equipment, and maintenance, repair, and overhaul (MRO) projects. The following benefits make them an excellent choice for your next project:
  • High Strength: Handles high torque and load requirements with ease
  • Corrosion Resistance: Zinc-yellow CR+6 plating shields against rust and wear
  • Fine Thread Precision: UNF threading provides tighter clamping force and vibration resistance
By choosing our bulk 9/16"-18 Grade 8 Hex Cap Screws, you'll enjoy cost savings, rapid shipping, and expert support from our knowledgeable team. Don't compromise on quality or performance – order your screws today and experience the difference that Monster Bolts can make in your projects.

What Our Customers Say

February 2, 2026

Absolutely no complaints!

I'm happy with the product. It is very, very useful.

- Tawna C..

February 2, 2026

Absolutely no complaints!

This is a very solid, exceptionally fine tool.

- Joelle U..

February 2, 2026

Absolutely no complaints!

It operates flawlessly and looks very sharp.

- Reagan S..

Write a Review

You Might Also Like

Discover more great products from our collection.

Z-Bracket Kit V2M1200

Z-Bracket Kit V2M1200

(674)
$39.99 $127.99 -69%
Purple Starfish Ornament

Purple Starfish Ornament

(16)
$20.99 $67.99 -69%
Lookbook LBS0095

Lookbook LBS0095

(187)
$69.99 $223.99 -69%
Next Ex

Next Ex

(839)
$55.99 $179.99 -69%
62105A03A33

62105A03A33

(503)
$69.99 $223.99 -69%

Copyright 2026 © mappa-mercia.org

VISA
PayPal
Stripe
Mastercard
CASH ON DELIVERY