200-Pack M5 Stainless Steel Backup Washers (5.3mm ID), Large OD Structural Washers for 3/16" Pop Rivets, Trailer & Marine Hardware — 304 Stainless, Anti-Galvanic
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- M5 Size. 5.3mm Hole. For The Big Jobs. Built for 3/16" (4.8mm) pop rivets. The heavy hitter. If you're working on trailers or boats, grab these. Too big for crafts. Perfect for structure.
- 200 Pieces. One Box. Job Site Ready. 200 heavy-duty washers in a rugged case. No torn bags. No lost parts in the grass. Toolbox stays organized.
- Real 304. Fights Salt Spray. Real 18-8 stainless. Shrugs off road salt and sea spray. Aluminum washers belong on dry walls. Your boat trailer? No.
- Wide Surface. Stops Tear-Out. Spreads the load. When a standard rivet head tries to punch through soft material, this washer stops it cold. Prevents pull-through.
- Boats. Trailers. Racks. Fences. Marine hardware. Utility trailers. Roof racks. Fence panels. Anything exposed to weather or vibration.
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Estimated shipping
Select a product to estimate shipping.Need a reliable way to reinforce your projects? Tingheng’s 200-pack of M5 stainless steel backup washers are built to handle demanding applications, providing a secure and durable connection for your rivets. These washers are specifically designed for heavy-duty use in trailers, marine hardware, and other exposed environments.
Key Highlights
- Robust Construction: Made from 304 stainless steel, these washers are resistant to salt spray and road salt, ensuring long-lasting performance.
- Perfect Size for Pop Rivets: Designed for 3/16" (4.8mm) pop rivets, providing optimal support and preventing tear-out.
- Heavy-Duty Protection: Spreads the load of the rivet, preventing the head from punching through softer materials and ensuring a secure hold.
- Organized & Ready to Use: Comes in a durable, boxed container with 200 washers, keeping your job site organized.
- Ideal for Outdoor Applications: Specifically engineered for marine hardware, trailers, racks, fences, and other applications exposed to weather and vibration.
Useful Facts
- Material: 304 Stainless Steel
- Size: M5 (Inner 5.3mm, Outer 12.7mm)
- Outer Diameter: 0.5 inches
- Thickness: 0.04 inches
- Quantity: 200 Washers
Good Fit For
- Trailer Repair & Maintenance
- Marine Hardware Installation
- Utility Trailer Construction
- Fence Panel Assembly
- Roof Rack Reinforcement
Product details






| Main Specification | |
|---|---|
| Üretici yapımcı | Tingheng |
| Unit Count | 200 Kont |
| Dışlama | Matte |
| Metal Tipi | Paslanmaz Çelik Çelik |
| Dışarıda | 0,5 inç |
| Washer Type | Rivet Washers |
| Brand Brand Brand | Tingheng |
| Fastener Type | Rivet |
| 1. | 0.04 inç |
| Parça Sayısı | 200 200 |
| Hızlı Boyut | M5 |
| Malzeme malzemesi | Paslanmaz Çelik Çelik |
| Renkli Renk | Silver Silver |
| Ağırlık | 3.7 ounces |
| Product information | |
| Set Name Name Name | 200 Pcs |
| Technical Details | |
| Bölüm Numarası | Th-m3rw |
| Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model Model | Th-m3rw |
| Malzeme Tipi | Paslanmaz Çelik Çelik |
| Madde Sayısı | 200 200 |
| Uyumlu Yörüntü | 0.2 inches |
| Style | |
| Bitiş Türleri | Matte |
| Measurements | |
| 1. | 3.35 x 2.36 x 0.59 inches |
| Others | |
| Washer Compatibility | 3/16" (5mm) Pop Rivets or M5 Blind Rivets |
| Washer Application | marine or automotive or construction |
| Ürün Türü | Rivet Washers |
| Boyut Adı | M5(Inner5.3mm 0.21" ,Outer12.7mm 0.5") |








