Hillman 7/16 in. Diameter x 2-1/2 in. Length Heat-Treated Zinc Steel Hex Head Cap Screw, 50-Pack

Regular price $50.99

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Hillman Grade 5 Hex Head Cap Screws, 7/16 in. x 2-1/2 in., 50-Pack

Durable Grade 5 hex head cap screws for heavy-duty fastening in steel construction and machinery. Heat-treated zinc-plated steel resists wear and corrosion, with a washer face under the head and coarse threads for secure assembly.


Key Features:

  • Grade 5 Strength: Heat-treated steel provides reliable tensile strength for demanding applications
  • Corrosion-Resistant Finish: Zinc plating helps protect against rust and wear
  • Washer Face Head: Built-in bearing surface under the hex head improves sealing and load distribution
  • Coarse Thread Design: Promotes quick starts and strong holding in tapped holes or with nuts
  • Bulk Pack Convenience: 50-pack of 7/16 in. diameter x 2-1/2 in. length screws for jobsite efficiency

Specifications Table:

Specification Details
Diameter 7/16 inch
Length 2-1/2 inch
Material Steel
Finish Heat Treated Zinc
Grade Grade 5 (USS)
Thread Type Coarse
Head Style Hex head with washer face
Number in Package 50
Packaging Type Boxed
Category Hex Bolts

Frequently Asked Questions (FAQ):

Q: Are these fully threaded?
A: No. They are partially threaded along the shank, consistent with typical hex cap screws.


Q: What tools should I use for installation?
A: Tighten with a wrench or a drill/driver equipped with the correct hex socket.


Q: Can these be used outdoors?
A: The zinc finish offers basic corrosion resistance, suitable for many indoor and covered outdoor applications; for harsh environments, consider galvanized or stainless options.


Q: What thread type do they have?
A: Coarse-thread (USS) profile.


Q: What is included in the package?
A: A boxed 50-pack of 7/16 in. diameter x 2-1/2 in. length hex head cap screws.


Industrial Precision with a Polished Edge

This hex head cap screw brings a clean, utilitarian elegance to exposed hardware moments. The subtle zinc sheen catches light while the strong, grade 5 shank anchors cabinetry, shelving, and custom metalwork with confidence. Try pairing it with matte black brackets for a modern, mixed-metal vignette. It’s the quiet, engineered detail that elevates everyday luxury.


Secure your next build with Grade 5 strength—add this 50-pack of Hillman hex head cap screws to your cart today.

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