Hillman 5/16 in. Diameter x 5-1/2 in. Length Heat-Treated Zinc Steel Hex Head Cap Screw, 50-Pack
Regular price $59.99Hillman Grade 5 Hex Head Cap Screws, 5/16 in. x 5-1/2 in., 50-Pack
These Hillman Grade 5 hex head cap screws provide reliable fastening strength for automotive, machinery, and construction projects. Made of heat-treated steel with a zinc finish, they feature a washer face under the head and coarse threads for secure assembly.
Key Features:
- Grade 5 Strength: Heat-treated steel provides higher tensile strength for demanding applications
- Corrosion-Resistant Finish: Zinc plating helps protect against rust and wear
- Washer Face Head: Integrated bearing surface under the hex head improves load distribution and sealing
- Coarse Thread Design: Ideal for quick assembly and strong hold in tapped holes or with nuts
- Bulk Contractor Pack: 50-pack for efficient stocking and project savings
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Hillman |
| Diameter | 5/16 inch |
| Length | 5-1/2 inch |
| Material | Steel |
| Finish | Heat-treated zinc |
| Grade | 5 (USS) |
| Head Style | Hex head with washer face |
| Thread Type | Coarse |
| Threading | Partially threaded along shank |
| Units | Imperial |
| Number in Package | 50 pack |
| Packaging Type | Boxed |
| Package Dimensions (L x W x H) | 6.8 in x 4.5 in x 3.3 in |
| Package Weight | 6.8 lb |
Frequently Asked Questions (FAQ):
Q: Are these fully or partially threaded?
A: They are partially threaded along the shank (Grade 5 USS style).
Q: What tools are needed for installation?
A: Tighten using a wrench or driver/socket sized for a 5/16 in. hex cap screw with the appropriate nut and washer.
Q: Can these be used outdoors?
A: The zinc finish offers basic corrosion resistance suitable for many indoor and some sheltered outdoor uses; for harsh environments, consider galvanized or stainless options.
Q: What thread type do these screws have?
A: They use coarse threads (USS).
Q: What is included in the package?
A: A boxed 50-pack of 5/16 in. diameter x 5-1/2 in. length hex head cap screws.
Industrial polish with steadfast purpose
Clean-lined and quietly authoritative, these hex cap screws bring a refined industrial cadence to custom builds. The zinc finish offers a subtle gleam, while the crisp washer-faced head delivers a tailored, architectural detail. Pair them with matte black hardware for a chic, mechanical contrast or let them punctuate raw woods for modern utility. A small but essential flourish, they anchor craftsmanship with effortless sophistication.
Stock up on Hillman Grade 5 hex cap screws today for strong, reliable fastening that keeps projects moving.
All third party trademarks, including logos and icons, referenced on our website and product pages remain the property of their respective owners. Unless specifically identified as such, Arbor's use of third party trademarks does not indicate any relationship, affiliation, sponsorship, or endorsement between Arbor Home and the owners of these trademarks. Any references by Arbor Home to third party trademarks are to identify the corresponding third party goods.
