Hillman Grade 5 Hex Head Cap Screws, 7/16" x 3-1/2", 25-Pack

Durable grade 5 hex head cap screws for heavy-duty fastening in wood or metal. Made of steel with a heat-treated zinc finish for added strength and wear resistance, partially threaded for secure clamping. Ideal for applications requiring a hex bolt tightened with a wrench or drill.

Key Features:

• Grade 5 Strength: Heat-treated steel provides reliable tensile strength for demanding projects
• Corrosion-Resistant Finish: Zinc plating helps resist rust and wear in indoor and outdoor environments
• Washer Face Head: Built-in bearing surface under the hex head for improved sealing and load distribution
• Partially Threaded Shank: Offers strong clamping force and alignment where a hex bolt is required
• Convenient Bulk Pack: 25 boxed screws sized 7/16 in. diameter x 3-1/2 in. length

Specifications Table:

Frequently Asked Questions (FAQ):

Q: Are these fully or partially threaded?
A: They are partially threaded along the shank.

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 material and finish?
A: Steel with a heat-treated zinc finish for enhanced strength and wear resistance.

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

Q: Can these be used where a hex bolt is specified?
A: Yes—hex cap screws serve the same purpose and include a washer face under the head.

Industrial polish with purposeful precision

This hex cap screw brings a clean, engineered elegance to exposed hardware moments. The zinc finish offers a subtle shimmer that pairs beautifully with raw woods and painted metals. Use them to anchor custom shelving brackets or a statement door strap for a refined, utilitarian edge. It’s a small detail that elevates everyday fixtures to a more sophisticated, enduring standard.

Secure your project with grade 5 strength—add this 25-pack to your cart and fasten with confidence.