औद्योगिक बोल्ट

M4 to M14 thick hex bolts have various specifications that cater to different applications. Here are some key details: Dimensions and Thread Pitch- Diameter range: M4 to M14 - Length range: 10mm to 250mm or more, depending on the application - Thread pitch: - M4: 0.7mm - M5: 0.8mm - M6: 1mm - M8: 1.25mm - M10: 1.5mm - M12: 1.75mm - M14: 2mm (coarse) or 1.5mm (fine) Materials and Finishes- Materials: Carbon steel, stainless steel (304, 316), chrome-moly steel, alloy steel - Finishes: - Zinc plating: provides corrosion resistance, ideal for outdoor or moist environments - Black oxide: provides a black finish while maintaining corrosion resistance, primarily used for visual appeal Strength Classes- Class 4.6: Low or medium carbon steel, tensile strength of 400 MPa, suitable for automotive and OEM applications - Class 8.8: Medium carbon steel, tensile strength of 800 MPa, suitable for automotive and structural steelwork applications - Class 10.9: Alloy steel, tensile strength of 1,000 MPa, suitable for high-stress applications - Class 12.9: Alloy steel, tensile strength of 1,200 MPa, suitable for precision machinery and high-strength applications Applications- Automotive: Engine mounts, suspension systems, and other high-stress applications - Construction: Building, bridges, and other structural applications - Industrial: Machinery, equipment, and other industrial applications - Aerospace: High-strength and precision applications