Hillman 5/8 in. D x 3 in. L Heat-Treated Steel Hex Head Cap Screw, Grade 8, 25-Pack
Regular price $75.99Hillman Grade 8 Hex Head Cap Screws, 5/8" x 3", 25-Pack
Heavy-duty Hillman hex head cap screws deliver Grade 8 strength for demanding assemblies. Heat-treated steel with a washer face under the head provides secure clamping and long-lasting wear resistance.
Key Features:
- Grade 8 Strength: Heat-treated steel for high tensile performance in heavy-duty applications
- Washer Face Head: Built-in bearing surface under the hex head improves load distribution and sealing
- Partially Threaded Shank: Added shear strength where it matters; coarse thread for quick starts
- Durable Finish: Yellow dichromate/heat-treated finish enhances corrosion and wear resistance
- Bulk Convenience: 25-pack for jobsite efficiency and consistent hardware matching
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Hillman |
| Diameter | 5/8 inch |
| Length | 3 inch |
| Head Type | Hex head with washer face |
| Material | Steel |
| Grade | Grade 8 |
| Thread Type | Coarse |
| Threading | Partially threaded shank |
| Finish | Heat-treated yellow dichromate-style finish |
| Number in Package | 25 pack |
| Packaging Type | Boxed |
| Tightening Method | Wrench or drill/driver |
| Category | Hex Bolts |
| Unit of Measurement | Imperial |
| Package Dimensions (L x W x H) | 5.3 in x 4.3 in x 3.3 in |
| Package Weight | 7.7 lbs |
Frequently Asked Questions (FAQ):
Q: What size are these screws?
A: They are 5/8 in. diameter by 3 in. length, coarse thread.
Q: Are these fully threaded?
A: No. They are Grade 8 and partially threaded along the shank for added strength.
Q: What tools are needed for installation?
A: Tighten with a wrench or compatible socket/driver on the hex head.
Q: What material and finish are used?
A: Heat-treated steel with a yellow dichromate-style finish for strength and wear resistance.
Q: How many are included?
A: This box contains 25 hex head cap screws.
Industrial Strength, Streamlined Form
The bold geometry of a hex head brings a clean, purposeful rhythm to utility spaces. I love the subtle sheen of heat-treated steel—quietly powerful, impeccably functional. Use these Grade 8 cap screws to anchor butcher-block islands or exposed shelving for an honest, refined industrial note. They’re the precision detail that elevates hardworking design into everyday luxury.
Choose these Grade 8 Hillman cap screws for reliable, heavy-duty fastening that lasts—add the 25-pack to your project list today.
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