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- USA
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Ships within 48 hours · Estimated delivery Jul 5 - Jul 10
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Description
Hillman 5/16 in. Diameter x 3 in. Length Grade 5 Heat-Treated Zinc Steel Hex Head Cap Screws, Coarse Thread, 100-PackHillman Grade 5 Hex Head Cap Screws, 5 16 in. x 3 in., 100 Pack These Hillman Grade 5 hex head cap screws deliver reliable fastening strength for heavy duty projects. Made of heat treated zinc plated steel with coarse threads, theyre ideal for securing machinery, automotive, and structural components. The washer face under the head provides a better seal and load distribution. Key Features: Heavy Duty Strength: Grade 5 heat treated steel withstands
Hillman Grade 5 Hex Head Cap Screws, 5/16 in. x 3 in., 100-Pack
These Hillman Grade 5 hex head cap screws deliver reliable fastening strength for heavy-duty projects. Made of heat-treated zinc-plated steel with coarse threads, they’re ideal for securing machinery, automotive, and structural components. The washer face under the head provides a better seal and load distribution.
Key Features:
- Heavy-Duty Strength: Grade 5 heat-treated steel withstands demanding loads
- Corrosion Resistant: Zinc finish helps protect against rust and wear
- Secure Fit: Coarse thread for strong grip in tapped holes with nuts
- Better Seal: Washer face under the head improves load distribution
- Convenient Bulk Pack: 100 screws sized 5/16 in. diameter x 3 in. length
Specifications Table:
| Specification | Details |
|---|---|
| Brand Name | Hillman |
| Material | Steel |
| Finish | Heat Treated Zinc |
| Grade | 5 |
| Diameter | 5/16 inch |
| Length | 3 inch |
| Thread Type | Coarse (USS) |
| Head Type | Hex head with washer face |
| Number in Package | 100 |
| Packaging Type | Boxed |
Frequently Asked Questions (FAQ):
Q: Are these fully or partially threaded?
A: They are partially threaded along the shank, typical of Grade 5 hex cap screws.
Q: What tools are needed for installation?
A: Install with a wrench or socket; a drill with the appropriate driver can be used for faster assembly.
Q: Can these be used outdoors?
A: The zinc finish offers basic corrosion resistance suitable for many indoor and some outdoor applications; for harsh environments, consider stainless or hot-dip galvanized fasteners.
Q: What thread type do they use?
A: Coarse thread (USS) for strong engagement and easier assembly.
Q: Do they include nuts or washers?
A: No, this pack includes only hex head cap screws; purchase compatible nuts and washers separately.
Industrial polish with steadfast performance
These hex cap screws bring a crisp, engineered clarity to any build, marrying strength with a clean zinc sheen. The faceted hex head and washer face read as purposeful detailing—perfect for exposed hardware moments. Pair them with matte black brackets or raw oak to underscore a refined, utilitarian aesthetic. Essential hardware that anchors spaces with confidence and quiet luxury.
Secure your projects with Grade 5 strength—add this 100-pack of Hillman hex 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:
- 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