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Hexagon Socket Head Cap Screw

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Our hexagon socket head cap screw has a head sunken in the center. This structure allows the hexagon socket screw to be fastened tightly by the wrench with little side resistance. The head of the screw can be submerged into the inside of the mechanical parts to help save space. As typical high-strength bolt, our product has strength grade of 8.8, 10.9 or 12.9.

Hexagon Socket Head Cap Screw

Parameters of Hexagon Socket Head Cap Screw
Executive StandardDIN912-1983
Strength Grade12.910.98.8
d≤16d > 16
HardnessHRC 39-44HRC 32-39HRC 22-32HRC 23-34
Tensile Strength1220N/mm21040N/mm2800N/mm2830N/mm2
MaterialAlloy steelCarbon steel
Surface TreatmentBlack oxide
Class of Thread5g/6g6g
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Links：https://globefindpro.com/products/74232.html
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