Hillman 3/8 in. Diameter x 1-1/4 in. Length Heat-Treated Zinc Steel Hex Head Cap Screw, 100-Pack
Regular price $44.99Hillman 3/8 in. x 1-1/4 in. Grade 5 Zinc Hex Head Cap Screws (100-Pack)
Durable grade 5 hex head cap screws engineered for strong, reliable fastening in wood, metal, and machinery applications. Made from heat-treated steel with a zinc finish to resist wear and corrosion, these partially threaded bolts feature a washer face for a secure seal.
Key Features:
- Grade 5 Strength: Heat-treated steel delivers higher tensile strength for demanding projects
- Corrosion-Resistant Finish: Zinc plating helps protect against rust and wear
- Washer Face Head: Integrated bearing surface under the hex head improves sealing and load distribution
- Partially Threaded Shank: Enhances alignment and grip when used with tapped holes or nuts
- Contractor Pack: 100-piece box for convenient bulk use and jobsite replenishment
Specifications Table:
| Specification | Details |
|---|---|
| Diameter | 3/8 inch |
| Length | 1-1/4 inch |
| Material | Steel |
| Finish | Heat Treated Zinc |
| Grade | 5 (USS Grade 5) |
| Thread Type | Coarse |
| Head Style | Hex head with washer face |
| Partially Threaded | Yes |
| Number in Package | 100 pack |
| Packaging Type | Boxed |
| Tightening Method | Use wrench or drill |
Frequently Asked Questions (FAQ):
Q: What tools are needed to install these?
A: Tighten with a wrench or a drill using the appropriate hex bolt head size.
Q: Are these fully or partially threaded?
A: They are partially threaded along the shank (USS grade 5).
Q: Can these be used outdoors?
A: The zinc finish provides basic corrosion resistance suitable for many indoor and light outdoor applications; for harsh environments, consider galvanized or stainless.
Q: What thread type do they use?
A: Coarse thread (USS).
Q: Do they include nuts or washers?
A: No, this pack includes only the hex head cap screws.
Industrial polish with everyday strength
These zinc-kissed hex cap screws bring a clean, purposeful edge to exposed hardware moments. The crisp washer-faced head feels tailored, lending order and precision to built-ins or custom metalwork. Try pairing them with matte-black brackets for a nuanced mix of luster and depth. A small detail that quietly elevates the luxury of the whole piece.
Equip your next build with dependable, corrosion-resistant fastening—add this 100-pack to your cart today.
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