10pcs 12.9 High strength M4/M5/M6 allen socket head screw Hexagon Socket Head Cap Screws Hex Socket Screw carbon steel
$0.41
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Our shop sells all kinds of screw series M2/M2.5/M3/M4/M5/M6 Product Name: alloy steel 12.9 grade socket cap inner hexagon screw bolt / socket cap screw Specification: M2/M3/M3/M4/M5/M6 Material: Alloy Steel SCM435 Surface treatment: heat treatment, black oxide Mechanical properties: 12.9 grade Products are suitable for: connection and fastening of mechanical molds, aerospace, high-end instruments, RC models and other high-tension mechanical parts. Specification Dimension Method: M Thread Diameter * Screw Length （Excluding socket cap thickness）
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