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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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Brand
Product Series
CAD
Days to Ship
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

  • On Sale Till 31/03/2025

Extra Light Load/Light Load/Light to Medium Load/Medium Load

  • On Sale Till 31/03/2025

Tension Springs/Medium Heavy Load and Heavy Load

    Tension Springs/Configurable Length

      Extension Coil Spring (SWP-A)

      • On Sale Till 31/03/2025

      Ultra Spring Extension Coil Spring

        Tension Springs Heavy Load O.D.3-10

          D Series  Tensile Coil Spring (DIN 2098 Standard)

          • On Sale Till 31/03/2025

          Tension Spring

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

            • On Sale Till 31/03/2025

            K Series  Tensile Coil Spring (Japan Spring Manufactures Association Standard)

              DS Series  Tensile Coil Spring

                Extension Spring S Series

                  Hook Insertion for Springs

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

                      Round-Wire Tensile Coil Spring  J Spring JB

                        Extension Spring E Series

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

                            Extension Spring R Series

                              Extension Spring

                                Tensile Coil Spring

                                  Tension Spring With Plate

                                    Hanger Spring

                                      Tension Spring - Heavy Load Type [RoHS Comliant]

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

                                          Extension Spring BT Series

                                            Customizable Size Tensile Coil Spring

                                              Titanium Tension Spring

                                                Buffer Spring

                                                  Hooking Pliers

                                                    Pull Spring

                                                      Tension Spring Closed Ends, Customizable Length, Piano Wire

                                                      Brand

                                                      MISUMI

                                                      MiSUMi Economy80

                                                      MISUMI

                                                      MiSUMi Economy80

                                                      MISUMI

                                                      MISUMI

                                                      MISUMI

                                                      SHOWA SPRING

                                                      ACCURATE

                                                      MISUMI

                                                      MiSUMi Economy80

                                                      KS SANGYO

                                                      SAMINI

                                                      MISUMI

                                                      MiSUMi Economy

                                                      KS SANGYO

                                                      KS SANGYO

                                                      SHINSEI HATSUJHO

                                                      MISUMI

                                                      MISUMI

                                                      MiSUMi Economy

                                                      TOKYO HATSUJYO MANUFACTURING

                                                      SHINSEI HATSUJHO

                                                      MISUMI

                                                      MiSUMi Economy80

                                                      SHINSEI HATSUJHO

                                                      YAHATA

                                                      TRUSCO NAKAYAMA

                                                      SAMINI

                                                      SAMINI

                                                      MISUMI

                                                      MiSUMi Economy

                                                      MISUMI

                                                      MiSUMi Economy

                                                      SHINSEI HATSUJHO

                                                      SHOWA SPRING

                                                      SAMINI

                                                      SAMINI

                                                      SAMINI

                                                      WAKISANGYO

                                                      SAMINI

                                                      Product Series

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

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

                                                      Extra Light Load/Light Load/Light to Medium Load/Medium Load

                                                      Tension Springs/Medium Heavy Load and Heavy Load

                                                      Tension Springs/Configurable Length

                                                      Extension Coil Spring (SWP-A)【3-20 Pieces Per Package】

                                                      Ultra Spring Extension Coil Spring

                                                      Tension Springs Heavy Load O.D.3-10

                                                      D Series Tensile Coil Spring (DIN 2098 Standard)【1-20 Pieces Per Package】

                                                      Tension Spring

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

                                                      K Series Tensile Coil Spring (Japan Spring Manufactures Association Standard)【1-20 Pieces Per Package】

                                                      DS Series Tensile Coil Spring【1-20 Pieces Per Package】

                                                      Extension Spring S Series【1-2 Pieces Per Package】

                                                      Hook Insertion for Springs

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

                                                      Round-Wire Tensile Coil Spring J Spring JB【2-20 Pieces Per Package】

                                                      Extension Spring E Series【1-3 Pieces Per Package】

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

                                                      Extension Spring R Series【1-2 Pieces Per Package】

                                                      Extension Spring

                                                      Tensile Coil Spring【20 Pieces Per Package】

                                                      Tension Spring With Plate

                                                      Hanger Spring

                                                      Tension Spring - Heavy Load Type [RoHS Comliant]

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

                                                      Extension Spring BT Series

                                                      Customizable Size Tensile Coil Spring

                                                      Titanium Tension Spring

                                                      Buffer Spring

                                                      Hooking Pliers

                                                      Pull Spring【2 Pieces Per Package】

                                                      Tension Spring Closed Ends, Customizable Length, Piano Wire

                                                      CAD
                                                      • 2D / 3D
                                                      • 2D / 3D
                                                      • 2D / 3D
                                                      • 2D / 3D
                                                      • 2D / 3D
                                                      • 2D / 3D
                                                      • 2D / 3D
                                                      • 2D / 3D
                                                      • 3D
                                                      • 2D / 3D
                                                      • 2D / 3D
                                                      • 2D / 3D
                                                      • 2D / 3D
                                                      • 2D / 3D
                                                      • 2D / 3D
                                                      • 2D / 3D
                                                      • 2D / 3D
                                                      Days to Ship Same day or more Same day or more Same day or more Same day or more 6 Day(s) or more 4 Day(s) or more Same day or more Same day or more Same day or more Same day or more 4 Day(s) or more Same day or more 4 Day(s) or more 4 Day(s) or more 8 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more Same day or more 4 Day(s) or more 10 Day(s) or more 8 Day(s) 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 9 Day(s) or more 9 Day(s) 11 Day(s) or more
                                                      Free Length Lf(mm)10 ~ 6010 ~ 6010 ~ 20010 ~ 200-11 ~ 2022.7 ~ 266.110 ~ 602.7 ~ 266.18 ~ 15010 ~ 1756.8 ~ 162.210.1 ~ 266.125 ~ 100-10 ~ 1756.5 ~ 126.229.1 ~ 138.615 ~ 6530 ~ 14030018.3235 ~ 521200 ~ 47610 ~ 6015 ~ 65117 ~ 260500 ~ 100025 ~ 50120 ~ 280-50-
                                                      Coil Outer Dia. OD(Ø)3 ~ 83 ~ 102 ~ 243 ~ 243 ~ 283.2 ~ 240.9 ~ 34.53 ~ 100.9 ~ 34.51.8 ~ 222 ~ 202 ~ 203 ~ 34.53.5 ~ 155 ~ 182 ~ 202 ~ 165 ~ 205 ~ 149 ~ 2710 ~ 20432 ~ 4850 ~ 1003 ~ 145 ~ 1420 ~ 353 ~ 3012 ~ 1616 ~ 40-840
                                                      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 / 30.01~60.00~1.25 / 1.26~3.50 / 3.51~8.00 / 8.01~15.00 / 15.01~30.00 / 30.01~60.00 / 60.01~110.00 / 110.01~3.51~8.00 / 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 / 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 / 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 / 60.01~110.00~1.25 / 1.26~3.50 / 3.51~8.00 / 8.01~15.00 / 15.01~30.00 / 30.01~60.00 / 60.01~110.00 / 110.01~~1.25 / 1.26~3.50 / 3.51~8.00 / 8.01~15.00 / 15.01~30.00 / 30.01~60.00 / 60.01~110.00 / 110.01~1.26~3.50 / 3.51~8.00 / 8.01~15.00 / 15.01~30.00 / 30.01~60.00 / 60.01~110.00 / 110.01~~1.25 / 1.26~3.50 / 3.51~8.00 / 8.01~15.00 / 15.01~30.00 / 30.01~60.00 / 60.01~110.003.51~8.00 / 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 / 60.01~110.00~1.25 / 1.26~3.50 / 3.51~8.00 / 8.01~15.00 / 15.01~30.00 / 30.01~60.00-15.01~30.00 / 30.01~60.00 / 60.01~110.00 / 110.01~-8.01~15.00 / 15.01~30.00 / 60.01~110.003.51~8.00110.01~110.01~8.01~15.00 / 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~--30.01~60.00 / 60.01~110.0060.01~110.00 / 110.01~--110.01~
                                                      Wire Dia. d(Ø)0.25 ~ 0.80.35 ~ 1.40.2 ~ 3.20.45 ~ 40.3 ~ 3.50.32 ~ 2.30.1 ~ 2.50.5 ~ 1.60.1 ~ 2.50.18 ~ 2.90.28 ~ 2.60.2 ~ 20.5 ~ 2.50.5 ~ 20.6 ~ 2.30.2 ~ 20.2 ~ 1.60.5 ~ 20.8 ~ 2.31.2 ~ 40.8 ~ 20.454 ~ 64.5 ~ 130.5 ~ 2.30.8 ~ 2.32.6 ~ 40.2 ~ 2.61.6 ~ 21.6 ~ 5-0.93.5
                                                      MaterialStainless Steel Wire / Piano WireStainless Steel Wire / Piano WireStainless Steel Wire / Piano WireStainless Steel Wire / Piano WirePiano WireStainless Steel Wire / Piano WireStainless Steel Wire / Piano WireStainless Steel Wire / Piano WireStainless Steel Wire / Piano WireStainless Steel Wire / Piano WireSWP-BStainless Steel WireStainless Steel WireStainless Steel WireStainless Steel Wire / Piano WireSWP-BStainless Steel WireHard Steel WirePiano WireHard Steel WireStainless Steel WireStainless Steel WireHard Steel WirePiano WireSWP-BSWP-BHard Steel WireStainless Steel Wire / Piano WireTitanium AlloyPiano Wire-Stainless Steel WirePiano Wire
                                                      Length L2 at Allowable Load(mm)18.7 ~ 145.312.2 ~ 101.713.5 ~ 342.512 ~ 241.2--3.7 ~ 782.912 ~ 78.83.7 ~ 830.6-12.2 ~ 247.511.6 ~ 340.211.8 ~ 770.3--15.7 ~ 342.5--17.9 ~ 82--30.1--12 ~ 78.817.9 ~ 82-------
                                                      Hook Opposing Angle180° (Standard)180° (Standard)180° (Standard) / 90°180° (Standard) / 90°90°180° (Standard)180° (Standard)180° (Standard)180° (Standard)180° (Standard)-180° (Standard)180° (Standard)180° (Standard)180° (Standard)-180° (Standard)180° (Standard)180° (Standard)180° (Standard)180° (Standard)180° (Standard)-90°--180° (Standard)-180° (Standard)90°-180° (Standard)-
                                                      Spring Constant k(N/mm)0.024 ~ 0.690.13 ~ 4.510.02 ~ 11.470.36 ~ 26.480.11 ~ 37.450.014 ~ 6.7180.006 ~ 18.6820.98 ~ 10.890.0059 ~ 18.6690.013 ~ 9.150.13 ~ 5.690.0069 ~ 3.2340.027 ~ 16.31-0.04 ~ 0.850.024 ~ 1.420.01 ~ 1.96-1.03 ~ 19.02--0.3152.84 ~ 8.533.09 ~ 56.8-1.03 ~ 19.02-0.0019 ~ 0.09041.9 ~ 6.51.57 ~ 7.94--2.26
                                                      TypeStandard TypeStandard TypeStandard TypeStandard TypeStandard TypeStandard TypeStandard TypeStandard TypeStandard TypeStandard Type-Standard TypeStandard TypeStandard Type--Standard TypeStandard TypeStandard TypeStandard TypeStandard TypeStandard Type-Standard Type--Standard Type-Standard TypeStandard Type-Standard TypeStandard Type
                                                      Allowable Load P2(N)1.27 ~ 12.753.33 ~ 49.030.69 ~ 225.556.47 ~ 430.51-1.16 ~ 158.020.16 ~ 2038.8 ~ 77.470.147 ~ 215.60.84 ~ 181.72.45 ~ 150.040.539 ~ 90.363.761 ~ 162.917--0.69 ~ 78.450.64 ~ 13.73-20.79 ~ 154.95--4.85352 ~ 725506 ~ 47638.8 ~ 154.9520.79 ~ 154.95-3.53 ~ 12545 ~ 8086.3 ~ 816--192
                                                      Initial Tension Pi(N)0.15 ~ 2.350.66 ~ 12.750.13 ~ 56.881.57 ~ 123.60.18 ~ 54.90.13 ~ 45.30.029 ~ 86.6032.16 ~ 20.590.0294 ~ 86.5440.087 ~ 46.60.49 ~ 36.280.049 ~ 27.930.421 ~ 66.15-1.01 ~ 26.180.13 ~ 12.750.04 ~ 8.26-5.1 ~ 45.11--1.147--2.16 ~ 45.115.1 ~ 45.11-0.055 ~ 30.092----21.6
                                                      Total Number of Winding N------10.5 ~ 79.5-10.5 ~ 79.5--15.5 ~ 62.510.5 ~ 79.5--------24.520 ~ 40-----3.5 ~ 11.5----
                                                      Max. Deflection(mm)6.8 ~ 85.32.2 ~ 41.73.5 ~ 167.52 ~ 46.2-6 ~ 280.50.8 ~ 516.82 ~ 18.8-3 ~ 2492.2 ~ 72.5----5.7 ~ 167.5--2.9 ~ 18.8--11.862 ~ 170249 ~ 6552 ~ 18.82.9 ~ 18.8-100 ~ 2400-55.6 ~ 102--75

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