Description and Translation of CNS 4489 Fasteners
CNS 4489 fasteners, a key standard in Taiwan's mechanical engineering sector, primarily function to create reliable detachable connections in industrial machinery, electrical equipment, and structural assemblies. Their core role is to transmit static and dynamic loads, maintain precise component positioning, and prevent loosening under vibration, ensuring operational safety and structural integrity across diverse applications.
In terms of materials, CNS 4489 fasteners are predominantly manufactured from carbon steel (e.g., S45C per CNS 2926) and alloy steel, providing excellent tensile strength and mechanical stability. For corrosion-resistant requirements, galvanized carbon steel and stainless steel grades (e.g., 304, 316) compliant with relevant standards are specified to enhance durability in humid or chemically exposed environments.
Surface treatments for these fasteners include zinc plating with chromate passivation for corrosion protection, phosphate coating to improve lubricity during installation, and black oxide coating for enhanced wear resistance. These treatments effectively extend service life while ensuring compatibility with various operating conditions.
Key characteristics of CNS 4489 fasteners include standardized metric thread specifications, precise dimensional tolerances for interchangeability, and strict quality control in manufacturing. Their mechanical attributes feature specified tensile strengths (typically 600-1000 MPa), appropriate yield ratios, and sufficient ductility to withstand dynamic stresses. Additionally, they exhibit consistent clamping performance and reliable torque-tension relationships, making them widely used in machinery manufacturing and equipment maintenance.
| Thread Size d | M3 | M4 | M5 | M6 | M8 | M10 | M12 | ||
| d2 | 10 | 10 | 11 | 11 | 17 | 20.5 | 20.5 | ||
| d3 | 6.5 | 6.5 | 8 | 7.5 | 12 | 16 | 16 | ||
| e | 22 | 22 | 25 | 27 | 37 | 53 | 53 | ||
| g | 3 | 3 | 3.5 | 3.5 | 5 | 5.5 | 5.5 | ||
| h | 11 | 11 | 12 | 14 | 17.5 | 24 | 24 | ||
| m | 4.5 | 4.5 | 5 | 6 | 7 | 9.5 | 9.5 | ||
Description and Translation of CNS 4489 Fasteners
CNS 4489 fasteners, a key standard in Taiwan's mechanical engineering sector, primarily function to create reliable detachable connections in industrial machinery, electrical equipment, and structural assemblies. Their core role is to transmit static and dynamic loads, maintain precise component positioning, and prevent loosening under vibration, ensuring operational safety and structural integrity across diverse applications.
In terms of materials, CNS 4489 fasteners are predominantly manufactured from carbon steel (e.g., S45C per CNS 2926) and alloy steel, providing excellent tensile strength and mechanical stability. For corrosion-resistant requirements, galvanized carbon steel and stainless steel grades (e.g., 304, 316) compliant with relevant standards are specified to enhance durability in humid or chemically exposed environments.
Surface treatments for these fasteners include zinc plating with chromate passivation for corrosion protection, phosphate coating to improve lubricity during installation, and black oxide coating for enhanced wear resistance. These treatments effectively extend service life while ensuring compatibility with various operating conditions.
Key characteristics of CNS 4489 fasteners include standardized metric thread specifications, precise dimensional tolerances for interchangeability, and strict quality control in manufacturing. Their mechanical attributes feature specified tensile strengths (typically 600-1000 MPa), appropriate yield ratios, and sufficient ductility to withstand dynamic stresses. Additionally, they exhibit consistent clamping performance and reliable torque-tension relationships, making them widely used in machinery manufacturing and equipment maintenance.
| Thread Size d | M3 | M4 | M5 | M6 | M8 | M10 | M12 | ||
| d2 | 10 | 10 | 11 | 11 | 17 | 20.5 | 20.5 | ||
| d3 | 6.5 | 6.5 | 8 | 7.5 | 12 | 16 | 16 | ||
| e | 22 | 22 | 25 | 27 | 37 | 53 | 53 | ||
| g | 3 | 3 | 3.5 | 3.5 | 5 | 5.5 | 5.5 | ||
| h | 11 | 11 | 12 | 14 | 17.5 | 24 | 24 | ||
| m | 4.5 | 4.5 | 5 | 6 | 7 | 9.5 | 9.5 | ||
