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In Stock Bulk 3/8"-16 Grade 8 Hex Cap Screws (coarse Thread, Alloy Steel, Plain) Get 40% Off Today [ThQfIBnq]

$31.99 $102.99 -69%

Bulk 3/8"-16 Grade 8 Hex Cap Screws Discover the ultimate solution for your industrial, structural, and equipment use needs with our Bulk 3/8"-16 Grade 8 Hex Cap Screws. Engineered from high-strength alloy steel and featuring a plain finish, these sc

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Bulk 3/8"-16 Grade 8 Hex Cap Screws

Discover the ultimate solution for your industrial, structural, and equipment use needs with our Bulk 3/8"-16 Grade 8 Hex Cap Screws. Engineered from high-strength alloy steel and featuring a plain finish, these screws are designed to withstand extreme durability and strength. With their coarse-thread (UNC) technology, they offer excellent grip and vibration resistance, making them ideal for heavy-duty applications.
  • High-strength alloy steel construction ensures maximum durability.
  • Coarse-thread design provides superior grip and vibration resistance.

Product Specifications and Details

Our 3/8"-16 Grade 8 Hex Cap Screws are crafted to meet the highest standards of quality and performance. They come in various lengths to suit different applications, with thread lengths ranging from fully to partially threaded. The wrench size across flats is approximately 9/16 inches, and these screws are made from Grade 8 high-strength alloy steel. They are available in a plain (uncoated) finish, making them suitable for applications that don't require additional corrosion protection.
  • Multiple length options for various applications.
  • Grade 8 high-strength alloy steel for maximum durability.
  • Plain finish for cost-efficient, direct-use applications.

Ideal Applications and Benefits

These hex cap screws are perfect for a wide range of applications, including heavy machinery, industrial equipment, steel construction, and structural reinforcement. Whether you're working on bridge and infrastructure projects, the mining, oil, and gas industry, or maintenance, repair, and overhaul (MRO) operations, our screws will deliver the strength and reliability you need. By choosing our bulk ordering option, you can enjoy reduced per-piece costs and a steady supply of industrial-grade fasteners.
  • Heavy machinery & industrial equipment applications.
  • Steel construction & structural reinforcement projects.
  • Bridge & infrastructure projects requiring robust fasteners.

What Our Customers Say

January 8, 2026

Absolutely no complaints!

This is a standout product in a crowded market.

- MarketWatcher.

January 8, 2026

Absolutely no complaints!

It's clear that this product was designed with the user in mind.

- Jaxon Sanders.

January 8, 2026

Absolutely no complaints!

I'm very impressed with the brand's quality control.

- QC_Inspector.

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