【Size】Hole Diameter(Outer Diameter): 14mm/0.55"; Rod Diameter(Inner Diameter): 7mm/0.28";Free Length: 20mm/0.79"(±2mm).
【Load Type】Extra Heavy Load.Rectangular section, closed-end design.
【Material】Made of Spring steel material, the surface is Brown painted, not easy to rust, more durable.
【Compression Ratio】Compression Ratio of 1 million times: 0.16; Compression Ratio of 500,000 times: 0.18; Compression Ratio of 300,000 times: 0.2; Maximum Compression Ratio: 0.6.
【Application】Die springs are primarily used in die machinery,For Plastic Injection.