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ZORUNNA Square U Bolts 4 inch Wide, 3/8" D x 4" W x 5" L Galvanized U-Bolts for Boat Trailer Tube, Rectangular Wood and Metal Objects (6 PCS)
4.4 (120 items)
Limited Time SaleUntil the end
22
41
54
$11.99 cheaper than the new price!!
Free shipping for purchases over $99 ( Details )
Free cash-on-delivery fees for purchases over $99
Free cash-on-delivery fees for purchases over $99
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New $19.99
Product details
| Management number | 218990099 | Release Date | 2026/05/03 | List Price | $8.00 | Model Number | 218990099 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- Rust and Corrosion Resistant Finish - Made from steel with a galvanized surface coating to resist rust, corrosion, and abrasion. Nuts and washers are also crafted from durable materials. Ideal for trailers, solar frames, environments
- Strong Load Support - Features 8mm or 12mm thick threads and rigid U-shape design. Maintains grip under tension and doesn’t deform under pressure during transport or outdoor use
- Complete Hardware Set - Includes 6 U-bolts, 6 steel backing plates and 12 hex nuts. All components match in size and thread, minimizing the need to source missing or incompatible parts
- Fits 4" Square Bumpers or Posts - Each U-bolt has a 3/8" diameter, 4" inner width, and 5" thread length, sized to fit most 4"x4" square RV bumpers, trailer frames, wood posts, or utility structures without drilling
- Wide Application - Widely used to secure solar panels, toolboxes, fenders, climbing nets, and winches. Apply lubricant during installation to reduce thread wear and extend product life
- Assembly Tips and Inspection Note - Use hand tools to avoid thread damage; power tools may strip the nuts. Please inspect the package upon arrival to ensure all nuts, plates, and washers are present before use
| Brand | ZORUNNA |
|---|---|
| Color | Silver |
| Model | 152-Z |
| Set Name | 6 |
| Size Name | 3/8"D x 4"W x 5"L |
| Unit Count | 6.0 Count |
| Item Weight | 0.5 Kilograms |
| Part Number | 152-Z |
| Thread Size | M10 |
| Thread Type | Metric |
| Finish Types | Smooth |
| Manufacturer | ZORUNNA |
| Thread Class | 3B |
| Thread Style | Right Hand |
| Item Diameter | 0.38 Inches |
| Item Hardness | Grade 8 |
| Material Type | Carbon Steel |
| Exterior Finish | Zinc |
| Item Dimensions | 0.38 x 4 x 5 inches |
| Thread Coverage | Partially Threaded |
| Screw Head Style | Flat |
| Manufacturer Grade | heavy-duty |
| Compatible Groove Diameter | 4 Inches |
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