Description of MroMax Coil Springs Spiral Stamping Transmission Components
【Size】Hole Diameter(Outer Diameter): 8mm/0.31"; Rod Diameter(Inner Diameter): 4mm/0.16";Free Length: 60mm/2.36"(±2mm). 【Load Type】Light Load.Rectangular section, closed-end design. 【Material】Made of Spring steel material, the surface is blue painted, not easy to rust, more durable. 【Compression Ratio】Compression Ratio of 1 million times: 0.32; Compression Ratio of 500,000 times: 0.36; Compression Ratio of 300,000 times: 0.4; Maximum Compression Ratio: 0.13. 【Application】Die springs are primarily used in die machinery,For Plastic Injection.