SKU: 369181031

Hillman 5/16 in. Diameter x 4-1/2 in. Length Heat-Treated Zinc Steel Hex Head Cap Screw, 50-Pack

Sale price$45.89 Regular price$50.99
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Description

Hillman 5/16 in. Diameter x 4-1/2 in. Length Heat-Treated Zinc Steel Hex Head Cap Screw, 50-PackHillman Grade 5 Hex Head Cap Screws, 5 16" x 4 1 2", 50 Pack Durable grade 5 hex head cap screws made from heat treated steel with a zinc finish for strength and wear resistance. Partially threaded with a washer face under the head for a secure seal, ideal for use with nuts or tapped holes. Key Features: Grade 5 Strength: Heat treated steel provides reliable tensile strength for demanding projects Corrosion Resistant Finish: Zinc coating helps resist

Hillman Grade 5 Hex Head Cap Screws, 5/16" x 4-1/2", 50-Pack

Durable grade 5 hex head cap screws made from heat-treated steel with a zinc finish for strength and wear resistance. Partially threaded with a washer face under the head for a secure seal, ideal for use with nuts or tapped holes.


Key Features:

  • Grade 5 Strength: Heat-treated steel provides reliable tensile strength for demanding projects
  • Corrosion-Resistant Finish: Zinc coating helps resist rust and wear in general-purpose applications
  • Washer Face Under Head: Improved sealing and load distribution for secure fastening
  • Partially Threaded Shank: Enhanced shear strength and alignment in structural connections
  • Easy Tool Compatibility: Tightens with a wrench or drill for quick installation

Specifications Table:

Specification Details
Diameter 5/16 inch
Length 4-1/2 inch
Material Steel
Finish Heat Treated Zinc
Grade Grade 5
Head Type Hex head with washer face
Thread Type Coarse
Threading Partially threaded shank
Number in Package 50
Packaging Type Boxed
Unit of Measurement Listed as Metric (source) – dimensions provided in inches

Frequently Asked Questions (FAQ):

Q: Are these fully threaded?
A: No. They are grade 5 cap screws with partial threading along the shank.


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


Q: Do they include nuts or washers?
A: No. This pack includes only the hex head cap screws; purchase compatible nuts and washers separately.


Q: What is the corrosion protection?
A: A zinc finish provides general corrosion resistance suitable for many indoor and light outdoor uses.


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


Industrial Poise with Purpose

These hex head cap screws bring a crisp, engineered elegance to utilitarian installations. The zinc finish glints softly, pairing beautifully with raw woods and matte black hardware for a balanced, modern composition. Use them to anchor exposed shelving or brace metal frames where the hardware becomes part of the aesthetic. A small detail with big impact—essential for refined, functional design.


Secure your projects with dependable grade 5 strength—add this 50-pack of Hillman cap screws 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: 369181031

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Reviewed in the United States on June 11, 2026
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★★★★★ 5
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Size: 14 Slim, Color: Washed Blue
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★★★★★ 5
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Size: 12, Color: Washed Blue, Size: 12, Color: Washed Blue
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Teri PD
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★★★★★ 5
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