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Heavy-duty hex head cap screws made from heat-treated steel for reliable clamping strength in structural and machinery applications. Partially threaded with a washer face under the head and a protective zinc finish for added wear resistance.
| Specification | Details |
|---|---|
| Diameter | 5/8 inch |
| Length | 6 inch |
| Material | Steel |
| Finish | Zinc (heat-treated) |
| Grade | Grade 5 (USS) |
| Thread Type | Coarse |
| Head Style | Hex head with washer face |
| Threading | Partially threaded shank |
| Number in Package | 25 |
| Packaging Type | Boxed |
| Brand | Hillman |
| Unit of Measurement | Imperial |
| Package Dimensions (HxWxL) | 4 in x 9 in x 4.5 in |
| Package Weight | 14.5 lb |
Q: What size are these bolts?
A: They are 5/8 inch diameter by 6 inch length hex head cap screws.
Q: Are these fully threaded?
A: No. They are grade 5 bolts that are partially threaded along the shank.
Q: What finish do they have?
A: They feature a zinc finish on heat-treated steel to improve wear and corrosion resistance.
Q: What thread type is used?
A: Coarse thread (USS).
Q: How are they typically installed?
A: Tighten with a wrench or compatible driver; use with a matching 5/8 in coarse-thread nut and washer if needed.
These hex cap screws bring a refined, utilitarian gleam—clean zinc with a crisp, faceted head that feels intentionally architectural. I love the partially threaded shank; it keeps lines sleek while offering structural integrity. Style them with exposed hardware on a workbench or custom shelving to celebrate function as form. Consider them a quiet essential for a luxe, well-crafted space.
Equip your project with reliable Grade 5 strength—add this 25-pack to your cart and fasten with confidence.
Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
US$40
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