Hillman
Hillman 3/8 in.-16 Zinc-Plated Steel USS Whiz Lock Nut, 100-Pack
Hillman 3/8 in.-16 Zinc-Plated Steel USS Whiz Lock Nut, 100-Pack
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3/8 in.-16 Zinc-Plated USS Whiz Lock Nut (100-Pack)
These Hillman Whiz lock nuts feature an all-metal, serrated flange design that resists loosening under vibration. Made of zinc-plated steel for moderate corrosion resistance, they’re ideal for securing 3/8 in.-16 coarse-thread fasteners in demanding applications.
Key Features:
- All-Metal Construction: Withstands heavy vibration and shock without loosening
- Serrated Flange Locking: Ratchet-tooth underside bites into material for a secure hold
- 3/8 in.-16 USS Coarse Thread: Fits standard 3/8 in.-16 bolts and rods
- Zinc-Plated Steel: Provides durable strength with moderate rust resistance
- Bulk Pack Convenience: 100 pieces for jobsite or shop replenishment
Specifications Table:
| Specification | Details |
|---|---|
| Thread Size | 3/8 in.-16 USS coarse |
| Material | Steel |
| Finish | Zinc-plated |
| Design | All-metal, free-spinning nut with serrated flange (ratchet tooth underside) |
| Pack Quantity | 100 pieces per retail package |
| Brand | Hillman |
| Product Type | Whiz Lock Nut |
| Hillman Item Number | 180398 |
Frequently Asked Questions (FAQ):
Q: What bolt size do these nuts fit?
A: They are 3/8 in.-16 USS coarse thread and fit standard 3/8 in.-16 bolts or threaded rods.
Q: Do I need a washer with these?
A: Typically no—the integrated serrated flange spreads the load and helps prevent loosening.
Q: Are these reusable?
A: Yes, the all-metal serrated design is reusable and maintains locking performance when properly installed.
Q: Can they be used outdoors?
A: The zinc plating offers moderate corrosion resistance; for harsh or marine environments, consider higher corrosion-resistant finishes.
Q: How are they installed?
A: Thread onto a matching 3/8 in.-16 bolt and tighten with a compatible wrench; the serrations should face the mating surface.
Industrial Grip With Polished Poise
This serrated flange nut brings a refined, utilitarian edge to any project—its sculpted ratchet detailing is as striking as it is functional. I love the subtle sheen of the zinc finish, which catches light like jewelry for your hardware. Style it with exposed fasteners on custom shelving or mixed-metal furniture for a crisp, engineered look. It’s a small luxury that delivers big on stability and sophistication.
Secure your projects with confidence—add this 100-pack of Hillman Whiz lock nuts to your cart today.
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