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  Grade 12.9 Hexagon Head

  Bolts, screws Full thread, partially thread hexagon head M6-M48
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  Grade 12.9 Hexagon Socket Head

  Bolts, screws Full thread, partially thread hexagon socket head M5-M48
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  Grade 12.9 Hexagon Nuts

  GB6170 hexagon nuts Grade 12, grade 12.9 M8-M48
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  Grade 12.9 Thin Socket Head

  Thin socket head bolts Grade 12.9 N6-M16
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  Grade 10.9 Countersunk Socket Head

  Countersunk socket head bolts Grade 10.9 M4-M20
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  Grade 10.9 Semi-round Socket Head

  Semi-round socket head bolts Grade 10.9 M3-M20

As a professional 12.9 grade high-strength screw manufacturer brand, SCRSTAR integrates production, R&D and sales. It takes customer needs and cutting-edge technology as the driving force of innovation, always at the forefront of the industry and leads the development of the industry. SCRSTAR products include: grade 12.9 hexagon socket head,  grade 12.9 hexagon head, grade 12.9 countersunk socket head, grade 12.9 semi-round socket head, grade 12.9 thin socket head, grade 12 nuts; grade 10.9 socket head, grade 10.9 countersunk socket head, grade 10.9 semi-round socket head screws and bolts. And the following new products are on the market: grade 12.9 fine pitch thread, medium pitch thread, reverse pitch thread (hexagon and socket head nuts).

The company's products are of high quality and stable, with excellent quality. The products are widely used in high-speed rail, automobile, machinery, molds and other fields. The products are sold nationwide and exported to Europe, America, Japan and Southeast Asia.