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Heavy-duty grade 8 hex cap screws designed for high-strength fastening in steel assemblies. Heat-treated steel with coarse threads and a washer face under the head for secure, reliable clamping. Ideal for machinery, automotive, and structural applications.
| Specification | Details |
|---|---|
| Diameter | 5/16 inch |
| Length | 2 inch |
| Material | Steel |
| Finish | Heat-treated yellow dichromate |
| Grade | 8 |
| Thread Type | Coarse |
| Head Type | Hex head with washer face |
| Threading | Partially threaded shank |
| Number in Package | 100 pack |
| Packaging Type | Boxed |
| Brand Name | Hillman |
| Unit of Measurement | Imperial |
Q: Are these fully or partially threaded?
A: They are grade 8, partially threaded along the shank.
Q: What tools are needed for installation?
A: Tighten with a wrench or a drill using the appropriate hex socket.
Q: Do these have a protective finish?
A: Yes, they are heat-treated with a yellow dichromate finish for added strength and wear resistance.
Q: What thread type do they use?
A: Coarse thread, suitable for general-purpose fastening.
Q: Can these be used with nuts?
A: Yes, they are designed for use with nuts or in tapped holes.
These hex cap screws bring a refined industrial edge to any build, marrying strength with a clean, utilitarian silhouette. The yellow dichromate finish lends a subtle glow that feels modern yet timeless. Style them within exposed mechanical details—think open shelving brackets or custom steel frames—for a precise, polished statement. A small but essential touch that elevates hardware to luxurious functionality.
Equip your project with grade 8 strength—add this 100-pack of Hillman hex cap screws to your cart today.
Ships within 48 hours · Estimated delivery Jun 22 - Jun 27
US$40
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