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🔧 Lock it down with confidence — never worry about loosening again!
This set of 100 M3 x 0.5mm lock nuts features high-grade 304 stainless steel construction combined with a nylon insert that provides a self-locking mechanism. Designed for precision and durability, these nuts prevent loosening under vibration, making them ideal for RC models, 3D printers, and professional-grade projects. With a robust Grade 8.8 rating and excellent customer feedback, they deliver reliable, long-lasting fastening performance.
| ASIN | B075ZZW7VL |
| Best Sellers Rank | #117,294 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #48 in Locknuts |
| Brand | binifiMux |
| Colour | Silver |
| Compatible Groove Diameter | 3 Millimeters |
| Customer Reviews | 4.8 out of 5 stars 878 Reviews |
| Drive Style | External Hex |
| Exterior Finish | Stainless Steel |
| Fastener Type | Hex , Lock |
| Finish Types | Silver |
| Grade Rating | Grade 8.8 / A2-70 |
| Included Components | M3 Nylock |
| Inside Thread Size | M3 |
| Item Diameter | 3 Millimetres |
| Manufacturer | binifiMux |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Metal Type | Stainless Steel |
| Number Of Items | 100 |
| Number of Pieces | 100 |
| Outside Diameter | 3 Millimetres |
| Part Number | XXF-117 |
| Screw Head Style | Hex |
| Set Name | 100Pcs M3 x 0.5mm Lock Nuts - 304 Stainless Steel Self-Lock Nylon Inserted 3mm Nylock Nuts |
| Size Name | small |
| Thread Class | ISO |
| Thread Coverage | Unthreaded |
| Thread Size | M3 |
| Thread Style | Right Hand |
| Thread Type | Metric 3mm |
| UPC | 613852252062 |
| Unit Count | 100.0 Count |
O**F
Very high quality, great lock
Very high quality, and strength. A great lock that never moves. Packaging/case is of decent quality.
K**.
Reliable and Effective
I recently purchased the 100-piece set of M3 x 0.5mm 304 Stainless Steel Self-Lock Nylon Inserted Hex Lock Nuts for a project, and they have performed admirably. These lock nuts are well-constructed, showcasing both the durability and quality I was looking for. The locking capability of these nuts is quite decent. The nylon inserts provide a good grip and ensure that the nuts stay in place once tightened. This feature gives me confidence in the security and stability of the connections in my projects. Additionally, the stainless steel material adds an extra layer of durability, making these nuts suitable for various applications where strength and longevity are required. Overall, I'm satisfied with these hex lock nuts. They are effective, reliable, and offer good value for the price. For anyone in need of quality self-locking nuts for their DIY or professional projects, I would recommend giving these a try.
T**T
Perfect!
They work way good! No complaints
A**M
Awsome
If you own an RC car these are a must have!
M**U
Nice locking nuts great price
Great low cost locking nuts.
Trustpilot
3 weeks ago
1 month ago