hexagon socket screw
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Grade 12.9 Socket Hex Outer Hexagon Head Bolts High Strength Screws
- HEBEI SHIBIAO TECHNOLOGY GROUP LIMITED
- Supplier
- World
Product nameGrade 12.9 hexagon socket screwMaterialAlloy steel 40CrSurface treatmentBlackeningHead typeOuter hexagonSizeVarious specificationsFeaturehigh strength