| Brand | Concept Engineering |
| Head Shape | round |
| Screw Type | Bimetallic |
| Usage/Application | Industrial |
| Material | Premium Grade Steel |
| Quantity Per Pack | 1 set |
| Packaging Type | wooden box |
| Hardness | 65-68 Hrc |
| I Deal In | New and Second Hand |
| Depth of Nitriding Case | 0.50-0.80mm |
| Screw Straightness | 0.015mm |
| Depth of Chromium Plating | 0.025-0.10mm |
| Surface Roughness | Ra0.4 |
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