SKU: 18920957972

Hillman 3/8 in. Diameter x 5 in. Length Heat-Treated Steel Hex Head Cap Screw, 50-Pack

Sale price$85.49 Regular price$94.99
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Description

Hillman 3/8 in. Diameter x 5 in. Length Heat-Treated Steel Hex Head Cap Screw, 50-PackHillman Grade 8 Hex Head Cap Screw, 3 8" x 5", 50 Pack Heavy duty hex head cap screws engineered from heat treated steel for reliable, high strength fastening. Coarse thread, partially threaded design with washer face under the head ensures a secure seal in structural and machinery applications. Key Features: High Strength Grade 8: Heat treated steel delivers superior tensile strength for demanding projects Washer Face Seal: Integrated washer face

Hillman Grade 8 Hex Head Cap Screw, 3/8" x 5", 50-Pack

Heavy-duty hex head cap screws engineered from heat-treated steel for reliable, high-strength fastening. Coarse-thread, partially threaded design with washer face under the head ensures a secure seal in structural and machinery applications.


Key Features:

  • High-Strength Grade 8: Heat-treated steel delivers superior tensile strength for demanding projects
  • Washer Face Seal: Integrated washer face under the head improves load distribution and sealing
  • Partially Threaded Shank: Provides alignment stability and clamping force in bolted joints
  • Coarse Thread: Optimized for quick installation and strong hold in standard tapped holes
  • Yellow Dichromate Finish: Added wear and corrosion resistance for long-lasting performance

Specifications Table:

Specification Details
Diameter 3/8 inch
Length 5 inch
Material Heat-treated steel
Finish Yellow dichromate / Heat Treated
Grade Grade 8
Head Type Hex head with washer face
Thread Type Coarse
Threading Partially threaded shank
Number in Package 50
Packaging Type Boxed

Frequently Asked Questions (FAQ):

Q: Are these fully threaded?
A: No. They are partially threaded along the shank for improved alignment and clamping.


Q: What tools are needed for installation?
A: Tighten with a wrench or a drill using the appropriate hex socket or driver.


Q: What is the thread type?
A: Coarse thread, suitable for standard tapped holes and nuts.


Q: What material and grade are these bolts?
A: They are Grade 8, heat-treated steel for high-strength applications.


Q: Is this pack suitable for bulk projects?
A: Yes. The box contains 50 screws, ideal for larger builds or restocking.


A Sleek Industrial Bolt with Golden Authority

This hex cap screw brings a refined, industrial polish with its golden yellow dichromate sheen, lending subtle glamour to exposed hardware moments. The partially threaded shank and crisp washer-faced head offer both visual order and functional precision. Style it in open-shelf frames or custom metalwork where the hardware becomes part of the narrative. It’s a small, essential detail that elevates everyday builds to a more luxurious standard.


Choose this Grade 8 Hillman hex cap screw for dependable, high-strength fastening that stands up to tough jobs—add the 50-pack to your cart today.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 18920957972

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Reviewed in the United States on May 8, 2026
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★★★★★ 5
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