Hillman
Hillman 3/8 in. Dia x 4 in. L Heat-Treated Zinc Steel Hex Head Cap Screw (50-Pack)
Hillman 3/8 in. Dia x 4 in. L Heat-Treated Zinc Steel Hex Head Cap Screw (50-Pack)
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Hillman 3/8 in. x 4 in. Zinc Hex Head Cap Screws, 50-Pack
Heavy-duty Hillman hex head cap screws made of heat-treated zinc-plated steel for durable fastening. Sized 3/8 in. diameter by 4 in. length with coarse 3/8-16 machine threads, ideal for use with a nut or tapped hole in general construction and repair.
Key Features:
- Durable Construction: Heat-treated zinc-plated steel resists wear and corrosion
- High Torque Capability: Hex cap head with machine threads for strong clamping force
- General Purpose Use: Grade 5 strength suits a wide range of projects
- Coarse Thread: 3/8-16 thread for reliable hold in tapped holes or with nuts
- Bulk Value: Convenient 50-pack for jobsite or shop replenishment
Specifications Table:
| Specification | Details |
|---|---|
| Diameter | 3/8 in. |
| Length | 4 in. |
| Thread Size | 3/8-16 |
| Thread Type | Coarse |
| Head Type | Hex Cap |
| Material | Steel |
| Finish | Zinc |
| Grade | 5 |
| Heat Treated | Yes |
| Pack Quantity | 50 count |
| Nuts Included | No |
| Tightening Method | Wrench or drill driver |
| Category | Hex Bolt |
| Weight | 27.26 lb |
| Package Dimensions | 11 in L x 5.85 in W x 9.4 in H |
Frequently Asked Questions (FAQ):
Q: Are nuts included?
A: No, nuts are not included and must be purchased separately.
Q: What wrench size is needed?
A: Tighten with a standard wrench or driver sized for a 3/8 in. hex cap screw head.
Q: What is the thread specification?
A: Coarse 3/8-16 machine threads.
Q: What grade are these bolts?
A: Grade 5 for balanced strength and workability.
Q: Where should these be used?
A: Suitable for general fastening into tapped holes or with matching nuts in construction, automotive, and maintenance applications.
Industrial Polish, Purposeful Strength
These zinc-kissed cap screws bring a subtle, silvery sheen that pairs beautifully with raw woods and painted steel. The crisp hex head reads precise and intentional—an elevated detail on open-shelf brackets or custom hardware. Style them with matte black fittings for contrast, or echo their finish with brushed nickel accents. A small component with big impact, they anchor designs with quiet, functional luxury.
Outfit your next project with reliable, Grade 5 strength—add this 50-pack to your cart today.
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