SIHAI 100-Pack 3/8"-16 Unistrut Channel Nuts, Vibration-Resistant Twirl Cone Hardware, Tool-Free Installation for Seismic & HVAC Bracing, Fits 1-5/8" US Strut Channel
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- 【Tool-Free in 60 Seconds】Insert → Twist → Lock. One-handed, tool-free installation stops nuts from dropping in tight spaces. Saves 60% time on solar panel or cable tray jobs
- 【Vibration-Resistant, Won’t Loosen】Non-slip cone design holds tight under vibration or shock. Ideal for seismic bracing, HVAC, and heavy-duty mounts
- 【Zinc + Nylon Anti-Corrosion】Thick zinc plating with nylon coating resists rust, moisture, and chemicals. Built for outdoor, coastal, and industrial environments
- 【Smooth Threads, No Cross-Threading】Precision CNC threads prevent stripping and binding. Ensures reliable fastening every time
- 【Fits All U.S. Strut Channels 】Compatible with Series A, C, E, H channels. Convenient 10-pack for small projects, repairs, or on-the-go kits
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Select a product to estimate shipping.Solar PV Mounting, Cable Trays, Pipe Supports, Data Center Racks, Seismic Bracing, HVAC Systems
Whether you are an electrical contractor, solar installer, or maintenance team leader, SIHAI Twist-Lock Nuts reduce hand fatigue and eliminate the frustration of retrieving dropped parts.
Product details


| Main Specification | |
|---|---|
| Manufacturer | SIHAI |
| Unit Count | 1 Count |
| Exterior Finish | Zinc |
| Metal Type | Iron |
| Thread Coverage | Fully Threaded |
| Outside Diameter | 0.38 Inches |
| Brand | Sihai |
| Fastener Type | Insert |
| Item Diameter | 0.38 Inches |
| Number of Pieces | 1 |
| Thread Size | 3/8"-16.1/4"-20 |
| Material | Zinc |
| Colour | Blue |
| Thread Type | Unified National Coarse (Unc) |
| Product information | |
| Number of Packs | 100 |
| Set Name | SIHAI 100-Pack Unistrut Channel Nuts |
| Technical Details | |
| Part Number | Twirl nuts |
| Inside Thread Size | 3/8”-16 |
| Material Type | Zinc |
| Number Of Items | 100 |
| Thread Style | Right Hand |
| Thread Class | Coarse |
| Compatible groove diameter | 0.38 inches |
| Style | |
| Finish Types | Zinc + Nylon Shield |
| Measurements | |
| Item Dimensions | 2 x 1 x 0.5 inches |
| Others | |
| Product Type | Strut-Channel Nuts |
| Grade Rating | Industrial |
| Size Name | Blue: 3/8"-16 |
| Screw Head Style | Flat |










