Shopping security
Heavy-duty Grade 8 hex head cap screws made from heat-treated steel for high-strength fastening. Coarse-thread, partially threaded shanks with washer-face heads deliver secure clamping in machinery, automotive, and construction applications.
| Specification | Details |
|---|---|
| Diameter | 7/16 inch |
| Length | 2-1/2 inch |
| Material | Steel |
| Finish | Heat-treated (yellow dichromate) |
| Grade | Grade 8 |
| Thread Type | Coarse (USS) |
| Head Type | Hex head with washer face |
| Thread Coverage | Partially threaded |
| Pieces per Pack | 50 |
| Packaging Type | Boxed |
Q: Are these fully or partially threaded?
A: They are partially threaded along the shank.
Q: What thread type do these use?
A: Coarse thread (USS).
Q: What size and length are the screws?
A: 7/16 inch diameter by 2-1/2 inch length.
Q: What material and grade are they?
A: Heat-treated steel, Grade 8.
Q: Do they have a washer face under the head?
A: Yes, the hex head includes a washer face for better seating.
These Grade 8 hex cap screws bring a purposeful, engineered elegance to any project. The crisp hex head and bold coarse threads feel both sculptural and strong, making hardware part of the design story. Use them with darkened steel brackets or raw timber for a modern utilitarian moment. Their performance pedigree makes them a quiet essential of refined, high-function spaces.
Outfit your next build with these Grade 8 Hillman hex cap screws for dependable, high-strength fastening that lasts.
Ships within 48 hours · Estimated delivery Aug 20 - Aug 25
US$40
Get nowSign up to your membership to get coupons up to
15%
Get nowOpportunity to enjoy order discount up to 15% off
Top-Converting Item to Boost Your Average Order