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Tension Springs

Tension springs are springs used for applications that receive a tensile load. Close-wound springs are the standard type since they save space and make effective use of initial tension. Tension springs have a load-receiving hook on both ends. Some models designed for specific applications have plates with holes in them instead of hooks. Tension springs are typically made of materials such as hard drawn steel wire, spring steel, piano wire and stainless steel wire. Different materials are recommended for each tension spring application, so the application and operating environment should be considered when choosing the spring material. For example, general-purpose springs are made from materials such as hard drawn steel wire and piano wire, while heat-resistant springs are made from materials such as stainless steel wire.
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  • 11 Day(s) or Less
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Brand
Product Series
CAD
Days to Ship
Specifications
Free Length Lf(mm)
Coil Outer Dia. OD(Ø)
Allowable Load (Configurable Range)(N)
Wire Dia. d(Ø)
Material
Length L2 at Allowable Load(mm)
Hook Opposing Angle
Spring Constant k(N/mm)
Type
Allowable Load P2(N)
Initial Tension Pi(N)
Total Number of Winding N
Max. Deflection(mm)
  • Recommendation

Tension Springs Ultra Light Load / Light Load  O.D.3-8

  • Recommendation

Tension Springs Medium Light / Medium Load O.D.3-10

    Tension Springs Heavy Load O.D.3-10

      Tension Spring Light to Medium Load / Medium Load / Medium to Heavy Load [RoHS Compliant]

        Tension Springs Heavy Load, Double Round Hook O.D.5-14

          Tension Spring - Heavy Load Type [RoHS Comliant]

            Tension Springs - Extra Light Load / Light Load Type [RoHS Compliant]

              Tension Spring - Heavy Load Double Hook Type [RoHS Compliant]

              Brand

              MISUMI

              MiSUMi Economy80

              MISUMI

              MiSUMi Economy80

              MISUMI

              MiSUMi Economy80

              MISUMI

              MiSUMi Economy

              MISUMI

              MiSUMi Economy80

              MISUMI

              MiSUMi Economy

              MISUMI

              MiSUMi Economy

              MISUMI

              MiSUMi Economy

              Product Series

              Tension Springs Ultra Light Load / Light Load O.D.3-8

              Tension Springs Medium Light / Medium Load O.D.3-10

              Tension Springs Heavy Load O.D.3-10

              Tension Spring Light to Medium Load / Medium Load / Medium to Heavy Load [RoHS Compliant]

              Tension Springs Heavy Load, Double Round Hook O.D.5-14

              Tension Spring - Heavy Load Type [RoHS Comliant]

              Tension Springs - Extra Light Load / Light Load Type [RoHS Compliant]

              Tension Spring - Heavy Load Double Hook Type [RoHS Compliant]

              CAD
              • 2D / 3D
              • 2D / 3D
              • 2D / 3D
              • 2D / 3D
              • 2D / 3D
              • 2D / 3D
              • 2D / 3D
              • 2D / 3D
              Days to Ship 1 Day(s) or more 1 Day(s) or more 1 Day(s) or more 4 Day(s) or more 1 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more
              Specifications
              • RoHS
              • RoHS
              • RoHS
                • RoHS
                      Free Length Lf(mm)10 ~ 6010 ~ 6010 ~ 6010 ~ 17515 ~ 6510 ~ 6010 ~ 17515 ~ 65
                      Coil Outer Dia. OD(Ø)3 ~ 83 ~ 103 ~ 102 ~ 205 ~ 143 ~ 142 ~ 205 ~ 14
                      Allowable Load (Configurable Range)(N)1.26~3.50 / 3.51~8.00 / 8.01~15.001.26~3.50 / 3.51~8.00 / 8.01~15.00 / 15.01~30.00 / 30.01~60.008.01~15.00 / 15.01~30.00 / 30.01~60.00 / 60.01~110.001.26~3.50 / 3.51~8.00 / 8.01~15.00 / 15.01~30.00 / 30.01~60.00 / 60.01~110.00 / 110.01~15.01~30.00 / 30.01~60.00 / 60.01~110.00 / 110.01~8.01~15.00 / 15.01~30.00 / 30.01~60.00 / 60.01~110.00 / 110.01~~1.25 / 1.26~3.50 / 3.51~8.00 / 8.01~15.00 / 30.01~60.00 / 60.01~110.0015.01~30.00 / 30.01~60.00 / 60.01~110.00 / 110.01~
                      Wire Dia. d(Ø)0.25 ~ 0.80.35 ~ 1.40.5 ~ 1.60.28 ~ 2.60.8 ~ 2.30.5 ~ 2.30.2 ~ 20.8 ~ 2.3
                      MaterialStainless Steel Wire / Piano WireStainless Steel Wire / Piano WireStainless Steel Wire / Piano WireSWP-BPiano WireSWP-BSWP-BSWP-B
                      Length L2 at Allowable Load(mm)18.7 ~ 145.312.2 ~ 101.712 ~ 78.812.2 ~ 247.517.9 ~ 8212 ~ 78.815.7 ~ 342.517.9 ~ 82
                      Hook Opposing Angle180° (Standard)180° (Standard)180° (Standard)-180° (Standard)---
                      Spring Constant k(N/mm)0.024 ~ 0.690.13 ~ 4.510.98 ~ 10.890.13 ~ 5.691.03 ~ 19.02-0.024 ~ 1.421.03 ~ 19.02
                      TypeStandard TypeStandard TypeStandard Type-Standard Type---
                      Allowable Load P2(N)1.27 ~ 12.753.33 ~ 49.038.8 ~ 77.472.45 ~ 150.0420.79 ~ 154.958.8 ~ 154.950.69 ~ 78.4520.79 ~ 154.95
                      Initial Tension Pi(N)0.15 ~ 2.350.66 ~ 12.752.16 ~ 20.590.49 ~ 36.285.1 ~ 45.112.16 ~ 45.110.13 ~ 12.755.1 ~ 45.11
                      Total Number of Winding N--------
                      Max. Deflection(mm)6.8 ~ 85.32.2 ~ 41.72 ~ 18.82.2 ~ 72.52.9 ~ 18.82 ~ 18.85.7 ~ 167.52.9 ~ 18.8

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