Hillman Grade 5 Hex Head Cap Screw, 3/8 in. x 1-1/2 in., 100-Pack

Heavy-duty hex head cap screws engineered from heat-treated zinc-plated steel for strong, wear-resistant fastening. Grade 5 strength with partially threaded shank and washer face under the head delivers secure clamping in machinery, automotive, and structural applications.

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Key Features:

• Grade 5 Strength: Heat-treated steel provides robust tensile strength for demanding projects
• Corrosion-Resistant Finish: Zinc plating helps protect against rust and wear
• Washer Face Head: Built-in washer face improves seal and load distribution under the head
• Partially Threaded Shank: Coarse threads with an unthreaded section for precise alignment and strong clamping
• Versatile Use: Ideal for use with a nut or tapped hole; tighten with a wrench or drill

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Specifications Table:

Specification	Details
Diameter	3/8 inch
Length	1-1/2 inch
Material	Steel
Finish	Heat Treated Zinc
Grade	Grade 5
Head Type	Hex head with washer face
Thread Type	Coarse
Threading	Partially threaded along shank
Number in Package	100
Packaging Type	Boxed
Use	For use with a nut or in a tapped hole; tighten with a wrench or drill
Package Height	3.5 in
Package Width	4.3 in
Package Length	4.3 in
Package Weight	5.6 lbs

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Frequently Asked Questions (FAQ):

Q: Are these fully or partially threaded?
A: They are Grade 5 cap screws with a partially threaded shank and coarse thread.

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Q: What size and length are the screws?
A: Each screw is 3/8 inch diameter and 1-1/2 inch length.

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

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Q: Do they have a built-in washer?
A: They feature a washer face under the hex head to improve sealing and load distribution.

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Q: How many are in the box?
A: The package contains 100 screws.

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Industrial polish that anchors the look

These hex cap screws bring a crisp, tailored hardware detail that feels both utilitarian and refined. The zinc sheen adds a subtle gleam, while the washer-faced head creates a clean, purposeful silhouette. Use them to unify exposed-joint furniture or workshop shelving for a cohesive, engineered aesthetic. A small detail with big impact—essential hardware for elevated, durable design.

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Secure your projects with Grade 5 strength—add this 100-pack of Hillman hex cap screws to your cart today.