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- USA
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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
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Description
Hillman 3/8 in. Diameter x 4 in. Length Grade 8 Heat-Treated Steel Hex Head Cap Screw, 50-PackHillman 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
Hillman 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.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy