Hillman Grade 5 Hex Head Cap Screws, 5/16" x 1-1/2", 100-Pack

Grade 5 hex head cap screws with coarse threads and a heat-treated zinc finish for strength and wear resistance. Made of steel and ideal for use with a nut or in tapped holes for general construction and repair.

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Key Features:

• Durable Grade 5 Steel: Engineered strength for reliable clamping and load-bearing applications
• Heat-Treated Zinc Finish: Added wear and corrosion resistance for longer service life
• Coarse Thread: Quick assembly and strong hold in tapped holes or with nuts
• Washer Face Under Head: Helps provide a better seal and even load distribution
• Bulk 100-Pack: Convenient boxed quantity for jobsites and shop stock

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Specifications Table:

Specification	Details
Diameter	5/16 inch
Length	1-1/2 inch
Material	Steel
Grade	5 (USS)
Thread Type	Coarse
Finish	Heat-treated zinc
Head Type	Hex cap with washer face
Partially Threaded	Yes
Number in Package	100
Packaging Type	Boxed
Model Number	200075

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Frequently Asked Questions (FAQ):

Q: Are these fully threaded?
A: No. They are Grade 5 hex cap screws that are partially threaded along the shank.

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Q: What thread type do they use?
A: Coarse thread (USS).

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Q: What size are these screws?
A: 5/16 inch diameter by 1-1/2 inch length.

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

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Q: What finish do they have?
A: Heat-treated zinc finish for added strength and wear resistance.

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Industrial polish with purpose

These hex cap screws bring a crisp, utilitarian elegance to any project—clean lines, a confident head, and a finish that quietly gleams. I love the strength of Grade 5 steel paired with the protective zinc, making them as resilient as they are refined. Use them to spotlight exposed fasteners on shelving brackets or workshop fixtures for a deliberate, crafted look. They’re the kind of detail that elevates practical builds into considered, luxurious utility.

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Stock your shop with this 100-pack of Hillman Grade 5 hex cap screws for strong, reliable fastening on every project.