Reddit reviews uxcell 8mm OD 20mm Long Spiral Stamping Heavy Load Compression Mould Die Spring Green 10Pcs

Hole Diameter(Outer Diameter): 8mm/0.3"；Inner Diameter （tolerance +0.5mm): 4mm/0.15",Free Length: 20mm/0.6" (+/- 2mm)The loading grade of die springs in various colors (from lightest load to extra heavy load): yellow, blue, red, green, brown.Rectangular section, closed-end design. Die springs are primarily used in die machinery,For Plastic Injection.In addition, because die springs are well suited for high stress applications, they are also suitable for a variety of other applications as well.Load Type: Heavy Load; Color: Green, Package Content: 10 x compression mould die spring