| Compression Springs | Extension Springs | |
| Working Length |
Its is not advisable to use more than 80% of the maximum possible deflection. |
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 vary. |
| 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. |
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