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Hillman

Hillman 3/8 in. D x 3/4 in. L Heat Treated Steel Hex Head Cap Screw, Grade 8, Coarse Thread, 100-Pack

Hillman 3/8 in. D x 3/4 in. L Heat Treated Steel Hex Head Cap Screw, Grade 8, Coarse Thread, 100-Pack

Regular price $46.82 USD
Regular price Sale price $46.82 USD
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Hillman Grade 8 Hex Head Cap Screws, 3/8" x 3/4", 100-Pack

Heavy-duty Grade 8 hex head cap screws made of heat-treated steel for high-strength fastening. Sized 3/8 in diameter by 3/4 in length with coarse threads, ideal for automotive, machinery, and structural applications.


Key Features:

  • Grade 8 Strength: Heat-treated steel delivers high tensile performance for demanding loads
  • Coarse Thread: Reliable grip for quick assembly and resistance to stripping
  • Hex Head Design: Easy tightening with a wrench or driver; washer face under head for better seating
  • Consistent Sizing: 3/8 in diameter x 3/4 in length for common equipment and repair needs
  • Bulk Convenience: Box of 100 screws keeps projects moving and reduces reorders

Specifications Table:

Specification Details
Diameter 3/8 in
Length 3/4 in
Thread Type Coarse
Grade Grade 8
Material Heat-treated steel
Head Type Hex head cap screw
Finish Heat Treated
Units per Package 100 (boxed)
Each Weight (package) 3.700 lb
Alternate UPC 037504815601

Frequently Asked Questions (FAQ):

Q: What tools are needed to install these screws?
A: Use a wrench or socket/driver that fits the hex head; pair with a matching Grade 8 nut and appropriate washer if needed.


Q: Are these fully threaded?
A: They are described as partially threaded Grade 8 hex cap screws, typical for this style and size.


Q: What material are they made from?
A: Heat-treated steel for high strength and durability.


Q: What thread type do they use?
A: Coarse thread, compatible with matching coarse-thread nuts or tapped holes.


Q: How many screws are included?
A: 100 screws per box.


Industrial Strength, Clean Precision

These Grade 8 hex cap screws bring a refined industrial edge to any project—sleek, strong, and unapologetically purposeful. The heat-treated steel and crisp hex profile create a subtle hardware statement that feels both engineered and elegant. Style them with blackened brackets or raw oak shelving for a balanced, modern utility. Consider them a quiet essential—powerful details that anchor a space with confidence.


Equip your next build with Grade 8 reliability—add this 100-pack of Hillman hex cap screws to your cart today.

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