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General Specification


  Compression Springs Extension Springs
Its is not advisable to use more than
80% of the maximum possible
We recommend a safe extended
length for our springs
End Coils Up to 0.5mm wire - closed only.
Over 0.5mm wire - closed & ground
Full loops are similar to outside
diameter. Loop end positions may
Tolerances British Standard - BS 1726:
Part1:Grade 2
British Standard - BS 1726:
Part2:Grade 2
Materials Carbon Steel Wire / Music Wire - British Standard BS5216, Grade ND3.
Winding Springs are normally right wound, however this may vary.
Finish Springs are stress relieved at appropriate temperatures, and stock springs
are supplied in a plain finish, lightly oiled.