Description of MroMax Compression Springs Spiral Stamping Power Transmission Products for Springs
【Size】Hole Diameter(Outer Diameter): 18mm/0.71"; Rod Diameter(Inner Diameter): 9mm/0.35";Free Length: 80mm/3.15"(±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: 0.58. 【Application】Die springs are primarily used in die machinery,For Plastic Injection.