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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