







🔧 Elevate your toolkit with the ultimate M3 fastener arsenal!
This 440-piece M3 hex socket button head cap screw and nut set features premium stainless steel construction for superior corrosion resistance and durability. Each piece is precision-engineered with deep hex sockets for easy, slip-free fastening. Housed in a sturdy, clear storage box, this comprehensive assortment covers a wide range of sizes from 6mm to 40mm, making it ideal for professional and DIY projects across home, office, and industrial applications.
| Fastener type | Socket Head |
| Head style | Hex |
| Finish type | Passivated |
| Shape | cylinder |
| Item diameter | 1 Centimetres |
| Thread size | M3 |
| Number of pieces | 440 |
| Compatible groove diameter | 3.5 Millimeters |
| Number of items | 440 |
| Manufacturer | HAOCHEN |
| Part number | 047 |
| Item Weight | 380 g |
| Item model number | 440 |
| Finish | Passivated |
| Item Package Quantity | 1 |
| Head Style | Hex |
| Cutting Diameter | 1 Centimetres |
| Measurement System | Metric |
| Batteries included? | No |
| Batteries Required? | No |
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