Hillman 3/8 in. Diameter x 4 in. Length Grade 8 Heat-Treated Steel Hex Head Cap Screw, 50-Pack
Regular price $81.99Hillman Grade 8 Hex Head Cap Screws, 3/8" x 4", 50-Pack
Heavy-duty hex head cap screws made from heat-treated Grade 8 steel for superior strength and wear resistance. Partially threaded with a washer face under the head for a secure seal, ideal for fastening into nuts or tapped holes. Coarse thread design ensures reliable assembly in demanding applications.
Key Features:
- Grade 8 Strength: Heat-treated steel delivers high tensile performance for heavy-duty projects
- Washer Face Seal: Built-in washer face under the head helps create a better seal
- Partially Threaded Shank: Provides alignment strength with threaded grip where it counts
- Corrosion-Resistant Finish: Yellow dichromate coating enhances durability and wear resistance
- Multipack Convenience: Boxed 50-pack for jobsite or shop efficiency
Specifications Table:
| Specification | Details |
|---|---|
| Diameter | 3/8 inch |
| Length | 4 inch |
| Material | Steel |
| Finish | Heat-treated yellow dichromate |
| Grade | Grade 8 |
| Head Type | Hex head with washer face |
| Thread Type | Coarse |
| Threading | Partially threaded |
| Number in Package | 50 |
| Packaging Type | Boxed |
| Use | For use with a nut or in a tapped hole; tighten with wrench or drill |
Frequently Asked Questions (FAQ):
Q: Are these fully threaded?
A: No. They are partially threaded along the shank.
Q: What tools are needed for installation?
A: Tighten with a wrench or a compatible drill/driver and hex socket.
Q: What thread type do these bolts use?
A: Coarse thread.
Q: Can these be used with nuts or tapped holes?
A: Yes. They are designed for use with a nut or in a properly tapped hole.
Q: What is the diameter and length?
A: 3/8 inch diameter and 4 inch length.
Industrial Polish with Uncompromising Strength
These Grade 8 cap screws bring a refined industrial character to custom builds, pairing a clean hex silhouette with a luminous yellow dichromate finish. The partially threaded shank offers a tailored, architectural look while maximizing performance. Style them with exposed hardware on thick timber or steel frames for a confident, modern edge. A must-have detail that elevates craftsmanship and durability in any luxe workspace or loft setting.
Choose Hillman Grade 8 cap screws for reliable, high-strength fastening—perfect for your next heavy-duty build.
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