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Description
Hillman 9/16 in. Diameter x 3 in. Length Grade 8 Heat-Treated Steel Hex Head Cap Screws, 25-PackHillman Grade 8 Hex Head Cap Screws, 9 16 in. x 3 in., 25 Pack Heavy duty Hillman grade 8 hex head cap screws deliver high torque capability and reliable clamping power for structural and automotive applications. Heat treated steel with a yellow dichromate style finish enhances strength and wear resistance, while the washer face under the head helps create a better seal. Key Features: Grade 8 Strength: Heat treated steel for superior tensile strength
Hillman Grade 8 Hex Head Cap Screws, 9/16 in. x 3 in., 25-Pack
Heavy-duty Hillman grade 8 hex head cap screws deliver high torque capability and reliable clamping power for structural and automotive applications. Heat-treated steel with a yellow dichromate-style finish enhances strength and wear resistance, while the washer face under the head helps create a better seal.
Key Features:
- Grade 8 Strength: Heat-treated steel for superior tensile strength in demanding applications
- Hex Head + Machine Threads: Enables high torque tightening with a wrench or driver
- Washer Face Under Head: Helps improve bearing surface and sealing
- Partially Threaded Shank: Adds shear strength where clamping force is needed
- Bulk Value: 25-piece retail pack for project or shop use
Specifications Table:
| Specification | Details |
|---|---|
| Diameter | 9/16 inch |
| Length | 3 inch |
| Material | Steel |
| Finish | Heat-treated; yellow dichromate-style wear resistance |
| Grade | Grade 8 (USS) |
| Head Type | Hex cap head with washer face under head |
| Thread Type | Coarse machine threads |
| Thread Coverage | Partially threaded shank |
| Number in Package | 25 pack |
| Packaging Type | Boxed |
| Unit of Measurement | Imperial (size listed in inches) |
Frequently Asked Questions (FAQ):
Q: What size are these bolts?
A: They are 9/16 inch diameter by 3 inch length, coarse thread.
Q: Are these fully threaded?
A: No. They are grade 8 bolts that are partially threaded along the shank.
Q: What tools are recommended for installation?
A: Tighten using a wrench or a compatible driver on the hex head.
Q: What is the material and finish?
A: Heat-treated steel with a yellow dichromate-style finish for added wear resistance.
Q: How many are included?
A: 25 screws per package.
Industrial Strength, Refined Finish
These hex cap screws bring a polished, utilitarian edge to any project—quietly powerful, impeccably precise. The yellow dichromate sheen lends a subtle glow, elevating hardware from purely functional to thoughtfully considered detail. Style them with blackened steel brackets or warm woods to balance toughness with texture. A steadfast essential, they anchor spaces—and ideas—with luxury-grade reliability.
Power your build with grade 8 confidence—add this 25-pack of Hillman hex head cap screws to your cart today.
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