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🔧 Screw it right, screw it tight — the pro’s choice for flawless fixes!
The LuKaiSen M2 M3 M4 Screws Set offers 820 pieces of premium 304 stainless steel socket head bolts, nuts, flat washers, and spring washers in the three most versatile sizes. Designed for professionals and DIY enthusiasts alike, this kit features a durable, rust-resistant finish, an organized 24-grid box with clear size labels, and includes three free wrenches. Perfect for precision machinery, electronics, furniture assembly, and more, it ensures secure fastening with lock washers and comes backed by a lifetime warranty and 30-day satisfaction guarantee.




















| ASIN | B0D636MJ1N |
| Best Sellers Rank | 3,757 in DIY & Tools ( See Top 100 in DIY & Tools ) 7 in Nut & Bolt Sets |
| Brand Name | LuKaiSen |
| Colour | silver |
| Compatible Groove Diameter | 2 Millimeters |
| Country Of Origin | China |
| Fastener Type | Bolt |
| Finish Types | Polished |
| Grade Rating | Premium |
| Item Diameter | 2 Millimetres |
| Item Dimensions | 19.1 x 9.9 x 1.7 centimetres |
| Item Highlight | With Lock & Flat Washer & Nuts & Wrench Kit, For 3D Printing,DIY, Furniture, Storage Box with Double-Sided Size Labeling |
| Item Weight | 420 Grams |
| Manufacturer | LuKaiSen |
| Manufacturer Part Number | lk-820 |
| Material Type | Stainless Steel 304 |
| Maximum Shear Strength | 485 MPa |
| Model Number | M2, M3, M4 |
| Number Of Items | 820 |
| Number of Pieces | 820 |
| Screw Head Style | Socket |
| Set Name | 820PCS M2 M3 M4 |
| Size | SS M2 M3 M4 820pcs 3 |
| Thread Size | M2, M3, M4 |
| UPC | 763559306152 |
| Unit Count | 1.0 count |
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