🔧 Elevate your toolkit with Rustark’s ultimate hex screw set — never get stuck again!
The Rustark 450-piece Allen head socket hex grub screw set offers 15 metric sizes (M3 to M8) made from durable 12.9 class black alloy steel. Packaged in a sturdy transparent organizer, it delivers corrosion resistance, high hardness, and broad application versatility for professionals and DIYers seeking reliable, precision fasteners.
| Head style | Socket |
| Item diameter | 8 Millimetres |
| Thread size | M3, M4, M5, M6, M8 |
| Number of pieces | 450 |
| Compatible groove diameter | 8 Millimetres |
| Grade rating | 12.9 Class |
| Maximum shear strength | 200 N/mm² |
| Manufacturer | Rustark |
| UPC | 079986235331 799862353316 |
| Part Number | R-jimi screw |
| Item model number | R-jimi screw |
| Item Package Quantity | 1 |
| Head Style | Socket |
| Cutting Diameter | 8 Millimetres |
| Measurement System | Metric |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 454 g |
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