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This set includes 100 M3 x 0.5mm lock nuts made from rust-resistant 304 stainless steel with a self-locking nylon insert. Designed for precision fastening in RC models, 3D printers, and other technical applications, these nuts fit standard 5.5mm hex spanners and come neatly stored in a durable plastic case for long-term organization.







| ASIN | B075ZZW7VL |
| Best Sellers Rank | #52,950 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #88 in Locknuts |
| Brand | binifiMux |
| Color | Silver |
| Compatible Groove Diameter | 3 millimeters |
| Customer Reviews | 4.8 4.8 out of 5 stars (930) |
| Drive Style | External Hex |
| Exterior Finish | Plain |
| Fastener Type | Lock |
| Finish Types | Unfinished |
| Grade Rating | Grade 8.8 / A2-70 |
| Inside Thread Size | M3 |
| Item Diameter | 3 millimeters |
| Manufacturer | binifiMux |
| Material Type | Nylon, Stainless Steel |
| Metal Type | Stainless Steel |
| Number Of Items | 100 |
| Number of Pieces | 100 |
| Outside Diameter | 3 millimeters |
| Part Number | XXF-117 |
| Screw Head Style | Hex |
| Set Name | binifiMux M3 Lock Nut Set (100 Piece) |
| Size Name | M3 |
| Thread Class | ISO |
| Thread Coverage | Fully Threaded |
| Thread Size | M3 x 0.5 |
| Thread Style | Right Hand |
| Thread Type | Metric 3mm |
| UPC | 613852252062 |
| Unit Count | 100 Count |
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