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Extension springs use a variety of hook or loop end configurations to fit specific functions. Extension spring ends include threaded inserts, extended twist loops, crossover center loops, hooks, expanded eyes, reduced eyes, rectangular ends and teardrop-shaped ends.
| Item | Tension springs |
| Material | SS302 (AISI302) / SS304 (AISI304) / SS316 (AISI316) / SS301 (AISI301) / SS631 / 65Mn (AISI1066) / 60Si2Mn (HD2600) / 55CrSiA (HD1550) / Music wire / C17200 / C64200, Etc |
| Wire diameter | 0.01~20 mm |
| Hook type | Double hook, Single hook, German hook, Custom hook |
| Finish | Zinc plating, Nickel plating, Anodic oxidation, Black oxide, Electrophoresis, Power coating, Gold plating, Silver plating, Tin plating, Paint, Chrome, Phosphate, Dacromet, Oil coating, Copper plating, Sandblasting, Passivation, Polishing, Etc |
| Sample | 3-7 workdays |
| Mass Production | 7-15days |
Room 1001, No.1 New World Building, NO.1018 Min'an Road, Yinzhou District, Ningbo, China, ZIP:315040
+86-574-8801-3900
+86-13185993822
Room 1001, No.1 New World Building, NO.1018 Min'an Road, Yinzhou District, Ningbo, China, ZIP:315040
