Deliver to
United Kingdom
This is Steel Extension Spring 87.2mm x 20mm manufactured by RS PRO. The manufacturer part number is RS_121-400. It has 87.2mm free length. Its spring rate is about 39.7n/mm . The product is made from highly stable and reliable steel. The wire has 4mm diameter. It has a maximum 103.4mm extended length . Moreover, it has an initial tension about 757n . The product has 20mm external diameter.
For more information please check the datasheets.
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