Hillman 5/8 in. Diameter x 4-1/2 in. Length Heat-Treated Zinc Steel Hex Head Cap Screw, 25-Pack
Regular price $76.99Hillman Grade 5 Hex Head Cap Screw 5/8 in. x 4-1/2 in., 25-Pack
Heavy-duty hex head cap screws engineered from heat-treated zinc-plated steel for strength and wear resistance. Partially threaded with a washer face under the head, they deliver reliable fastening for machinery, automotive, and structural applications.
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 Under Head: Improved bearing surface for a tighter, more secure seal
- Partially Threaded Shank: Ideal for clamping force and alignment in bolted joints
- Coarse Thread Compatibility: Works with standard nuts and tapped holes; tighten with wrench or drill
Specifications Table:
| Specification | Details |
|---|---|
| Diameter | 5/8 inch |
| Length | 4-1/2 inch |
| Material | Steel |
| Finish | Heat Treated Zinc |
| Grade | Grade 5 |
| Head Type | Hex head with washer face |
| Thread Type | Coarse |
| Number in Package | 25 pack |
| Packaging Type | Boxed |
| Tightening Method | Wrench or drill |
Frequently Asked Questions (FAQ):
Q: Are these bolts fully threaded?
A: No. They are partially threaded along the shank for better clamping force.
Q: What material and finish are used?
A: Steel with a heat-treated zinc finish for added strength and corrosion resistance.
Q: What grade are these screws?
A: USS Grade 5.
Q: Do they have a washer face?
A: Yes, there is a washer face under the head to improve sealing and load distribution.
Q: What thread type do they use?
A: Coarse thread suitable for standard nuts or tapped holes.
Industrial Integrity, Polished to Perform
These hex head cap screws bring a refined, utilitarian edge to any build, marrying strength with a sleek zinc sheen. The partially threaded shank and washer-faced head offer a streamlined silhouette with purpose, elevating everyday hardware to a design detail. Pair them with dark steel brackets or exposed joinery to celebrate structure as style. Essential, resilient, and impeccably finished—hardware that underlines luxurious craftsmanship.
Choose Hillman Grade 5 hex head cap screws for reliable, corrosion-resistant fastening that stands up to tough jobs.
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