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Extension Springs

Offset-Hook Extension Springs

Custom offset-hook extension springs manufactured to your dimensions, load requirements, material and drawing.

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Offset-Hook Extension Springs manufactured by CustomSprings
Reference configurations
26
Wire diameter
0.15-5 mm
Outside diameter
1.89-57.84 mm
Free length
6.67-253.74 mm

Custom Offset-Hook Extension Springs

CustomSprings manufactures offset-hook extension springs to match your dimensional, load, cycle-life and environmental requirements. The catalog values below are reference configurations that help define a request; final production specifications are confirmed against your drawing or application data.

Information Needed for a Quote

Send the wire diameter, outside or inside diameter, free length, working load or spring rate, material, end configuration, operating environment and required quantity. Uploading a PDF, DWG, DXF, STEP or IGES drawing is recommended.

Engineering and Production Review

Each inquiry is reviewed for manufacturability, stress, solid height, tolerances, heat treatment, surface finish and inspection requirements before quotation.

Dimensional Data

Reference Configurations

Values are starting points for custom design review, not stocked-item commitments.

ModelWire dia.ODIDFree lengthRateMaterialCoilsMax load
SE-200-0093-1378-0587 2 mm 9.28 mm 5.28 mm 137.77 mm 6.986 316 Stainless Steel 51.2 232.17
SE-030-0026-0076-0452 0.3 mm 2.65 mm 2.05 mm 7.59 mm 0.367 Carbon Spring Steel Wire (SWC) 16.7 1.15
SE-040-0030-0225-0554 0.4 mm 2.96 mm 2.16 mm 22.49 mm 0.372 Music Wire (SWP-B) 40.7 3.01
SE-100-0112-0246-0515 1 mm 11.2 mm 9.2 mm 24.65 mm 0.367 Beryllium Copper (QBe2) 15.4 2.39
SE-060-0060-0376-0436 0.6 mm 5.98 mm 4.78 mm 37.62 mm 0.165 60Si2MnA Spring Steel 49.8 1.68
SE-060-0035-0410-0511 0.6 mm 3.53 mm 2.33 mm 41.05 mm 0.85 316 Stainless Steel 52.3 12.05
SE-080-0044-0408-0472 0.8 mm 4.4 mm 2.8 mm 40.76 mm 2.275 60Si2MnA Spring Steel 38.1 15.79
SE-050-0062-0355-0427 0.5 mm 6.19 mm 5.19 mm 35.54 mm 0.056 65Mn Spring Steel 59.3 0.5
SE-300-0256-1058-0448 3 mm 25.64 mm 19.64 mm 105.78 mm 2.859 Music Wire (SWP-B) 24.2 80.7
SE-060-0062-0299-0488 0.6 mm 6.17 mm 4.97 mm 29.94 mm 0.181 Music Wire (SWP-A) 41 1.52
SE-250-0297-0904-0450 2.5 mm 29.74 mm 24.74 mm 90.41 mm 0.443 Beryllium Copper (QBe2) 26.2 10.45
SE-040-0022-0090-0541 0.4 mm 2.25 mm 1.45 mm 9.01 mm 2.768 316 Stainless Steel 12.6 6.12
SE-120-0057-0538-0574 1.2 mm 5.66 mm 3.26 mm 53.79 mm 7.124 65Mn Spring Steel 32.4 91.85
SE-020-0020-0138-0455 0.2 mm 2.03 mm 1.63 mm 13.77 mm 0.046 60Si2MnA Spring Steel 56 0.19
SE-080-0050-0577-0565 0.8 mm 5.01 mm 3.41 mm 57.74 mm 0.916 Inconel X-750 59.2 10.58
SE-180-0157-0920-0426 1.8 mm 15.71 mm 12.11 mm 92.01 mm 0.863 301 Stainless Steel 39 20.02
SE-040-0049-0206-0440 0.4 mm 4.88 mm 4.08 mm 20.56 mm 0.075 Carbon Spring Steel Wire (SWC) 37.1 0.49
SE-400-0432-2233-0569 4 mm 43.23 mm 35.23 mm 223.32 mm 0.937 60Si2MnA Spring Steel 44.7 46.74
SE-015-0021-0067-0563 0.15 mm 2.06 mm 1.76 mm 6.67 mm 0.014 Beryllium Copper (QBe2) 31.2 0.04
SE-150-0103-0729-0491 1.5 mm 10.26 mm 7.26 mm 72.94 mm 1.956 304 Stainless Steel 33.2 35.06
SE-040-0032-0227-0577 0.4 mm 3.2 mm 2.4 mm 22.67 mm 0.274 Inconel X-750 42 1.78
SE-180-0130-0915-0422 1.8 mm 13 mm 9.4 mm 91.48 mm 1.882 Oil-Tempered Spring Wire (SWO) 39.2 32.63
SE-015-0019-0080-0530 0.15 mm 1.89 mm 1.59 mm 8.04 mm 0.021 316 Stainless Steel 39.1 0.06
SE-400-0315-1736-0435 4 mm 31.52 mm 23.52 mm 173.61 mm 1.925 Phosphor Bronze (QSn4-0.3) 32.7 62.69
SE-030-0024-0116-0555 0.3 mm 2.4 mm 1.8 mm 11.57 mm 0.286 Oil-Tempered Spring Wire (SWO) 30.2 1.01
SE-500-0578-2537-0585 5 mm 57.84 mm 47.84 mm 253.74 mm 0.536 Phosphor Bronze (QSn4-0.3) 40.5 37.77

Rate: N/mm; maximum load: N. Dimensions are in millimeters.

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