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🔧 Secure your bolts like a pro — don’t let vibration win!
Nord-Lock Wedge Locking Washers for M8 bolts feature a patented wedge-locking mechanism that prevents loosening under severe vibration by using tension instead of friction. Made from carbon alloy steel with a zinc flake coating, these washers offer top-tier corrosion resistance and durability. Each pack contains 20 glued pairs with an enlarged outer diameter, compatible with both M8 and 5/16 inch bolts, making them ideal for demanding industrial applications across energy, transportation, construction, and more.









| ASIN | B007VAW2F8 |
| Best Sellers Rank | #36,972 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2 in Wedge Lock Washers |
| Brand | Nord-Lock |
| Color | Gray |
| Compatible Groove Diameter | 0.32 inches |
| Customer Reviews | 4.7 4.7 out of 5 stars (322) |
| Exterior Finish | Zinc |
| Fastener Size | M8 |
| Fastener Type | bolt |
| Finish Types | Zinc |
| Grade Rating | Standard |
| Item Dimensions | 0.65 x 0.1 x 0.34 inches |
| Item Weight | 1.92 ounces |
| Manufacturer | Nord-lock |
| Material Type | Carbon Steel |
| Metal Type | Alloy Steel |
| Model | B2083439 |
| Number Of Items | 20 |
| Number of Pieces | 40 |
| Outside Diameter | 0.65 inches |
| Part Number | 1524 |
| Screw Head Style | Serrated |
| Set Name | Nord-Lock Wedge Locking Washers M8 20 Pairs |
| Size Name | M8 Bolts Enlarged outer Diameter |
| Thread Size | M8 |
| Unit Count | 20 Count |
| Washer Compatibility | 5/16 inch bolts, M8 bolts |
| Washer Type | Flat |
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