
Hillman 1/2 in. Diameter x 5-1/2 in. Length Heat-Treated Steel Hex Head Cap Screw, 25-Pack
Regular price $87.99Hillman Grade 8 Hex Head Cap Screws, 1/2" x 5-1/2", 25-Pack
Heavy-duty hex head cap screws made from heat-treated steel for high-strength fastening. Grade 8, partially threaded with a washer face for secure seating—ideal for machinery, automotive, and structural applications.
Key Features:
- Grade 8 Strength: Heat-treated steel delivers superior tensile performance for demanding jobs
- Washer Face Head: Built-in bearing surface under the hex head improves load distribution and seal
- Partially Threaded Shank: Enhanced shear strength where unthreaded section bears load
- Coarse Thread Compatibility: Reliable assembly with standard coarse-thread nuts and tapped holes
- Bulk Pack Convenience: 25-pack keeps projects moving with consistent, matching fasteners
Specifications Table:
| Specification | Details |
|---|---|
| Diameter | 1/2 inch |
| Length | 5-1/2 inch |
| Material | Steel |
| Finish | Heat-treated; yellow dichromate style noted |
| Grade | Grade 8 (USS) |
| Head Type | Hex head with washer face |
| Thread Type | Coarse |
| Threading | Partially threaded along the shank |
| Number in Package | 25 pack |
| Packaging Type | Boxed |
| Category | Hex Bolts / Hex Head Cap Screws |
| Package Dimensions (L x W x H) | 6.8 in x 4.5 in x 3.3 in |
| Package Weight | 8.7 lb |
Frequently Asked Questions (FAQ):
Q: What size wrench or socket do I need?
A: These are 1/2-inch diameter hex head cap screws; select a socket sized for the corresponding hex head across flats per Grade 8 spec (check your hardware set).
Q: Are these fully threaded?
A: No. They are partially threaded to provide better shear strength at the unthreaded shank.
Q: What material and finish are these screws?
A: They are steel, heat-treated to Grade 8 with a yellow dichromate-style finish noted for strength and wear resistance.
Q: What thread type do they use?
A: Coarse thread, suitable for use with matching coarse-thread nuts or tapped holes.
Q: How many are included?
A: This box contains 25 screws.
Industrial Strength, Streamlined Presence
There’s a quiet elegance in precision hardware—these hex cap screws bring a tailored, industrial note to any build. The crisp washer-faced head feels intentional, a small but striking detail that elevates utility to design. Use them to accent exposed joinery on workshop cabinetry or a rugged shelving system for a subtly architectural moment. Their Grade 8 strength ensures beauty backed by unwavering performance—luxury in the details.
Equip your next build with Grade 8 confidence—add this 25-pack of Hillman hex head cap screws to your cart now.
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