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Long Length Extension Springs

The primary purpose of our 20 inch and 36 inch long spring bodies is to offer a means for our customers to create a desired custom length and/or spring extension travel for a given load. Once cut, the end coils may be bent into hooks or loops. To find the spring's rate at a given length simply divide the rate constant by the length the spring is cut to. For example SS2-13 , if we want to cut it to 8”, rate= .32/8=.04 lbs/in

Extension Spring Selection Guide & Technical Information