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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

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

    • On Sale Till 31/03/2025

    Ultra Spring Extension Coil Spring

    • On Sale Till 31/03/2025

    Tension Springs/Medium Heavy Load and Heavy Load

      D Series  Tensile Coil Spring (DIN 2098 Standard)

        Tension Springs/Configurable Length

        • On Sale Till 31/03/2025

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

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

            Extension Coil Spring (SWP-A)

              Tension Springs Heavy Load O.D.3-10

              • On Sale Till 31/03/2025

              Tension Spring

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

                  Tension Spring - Heavy Load Type [RoHS Comliant]

                    DS Series  Tensile Coil Spring

                      Round-Wire Tensile Coil Spring  J Spring JB

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

                          Extension Spring S Series

                            Tensile Coil Spring

                              Hanger Spring

                                Hook Insertion for Springs

                                  Tension Spring With Plate

                                    Titanium Tension Spring

                                      Extension Spring R Series

                                        Extension Spring E Series

                                          Tension Spring Closed Ends, Customizable Length, Piano Wire

                                            Extension Spring BT Series

                                              Customizable Size Tensile Coil Spring

                                                Buffer Spring

                                                  Hooking Pliers

                                                    Pull Spring

                                                      Extension Spring

                                                      Brand

                                                      MISUMI

                                                      MiSUMi Economy80

                                                      MISUMI

                                                      MiSUMi Economy80

                                                      MISUMI

                                                      MISUMI

                                                      MiSUMi Economy80

                                                      ACCURATE

                                                      MISUMI

                                                      KS SANGYO

                                                      MISUMI

                                                      KS SANGYO

                                                      MISUMI

                                                      MiSUMi Economy

                                                      SHOWA SPRING

                                                      MISUMI

                                                      MiSUMi Economy80

                                                      SAMINI

                                                      MISUMI

                                                      MiSUMi Economy

                                                      MISUMI

                                                      MiSUMi Economy

                                                      KS SANGYO

                                                      TOKYO HATSUJYO MANUFACTURING

                                                      MISUMI

                                                      MiSUMi Economy

                                                      SHINSEI HATSUJHO

                                                      TRUSCO NAKAYAMA

                                                      SAMINI

                                                      MISUMI

                                                      SAMINI

                                                      SAMINI

                                                      SHINSEI HATSUJHO

                                                      SHINSEI HATSUJHO

                                                      SAMINI

                                                      SHINSEI HATSUJHO

                                                      SHOWA SPRING

                                                      SAMINI

                                                      SAMINI

                                                      WAKISANGYO

                                                      YAHATA

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

                                                      Ultra Spring Extension Coil Spring

                                                      Tension Springs/Medium Heavy Load and Heavy Load

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

                                                      Tension Springs/Configurable Length

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

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

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

                                                      Tension Springs Heavy Load O.D.3-10

                                                      Tension Spring

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

                                                      Tension Spring - Heavy Load Type [RoHS Comliant]

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

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

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

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

                                                      Tensile Coil Spring【20 Pieces Per Package】

                                                      Hanger Spring

                                                      Hook Insertion for Springs

                                                      Tension Spring With Plate

                                                      Titanium Tension Spring

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

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

                                                      Tension Spring Closed Ends, Customizable Length, Piano Wire

                                                      Extension Spring BT Series

                                                      Customizable Size Tensile Coil Spring

                                                      Buffer Spring

                                                      Hooking Pliers

                                                      Pull Spring【2 Pieces Per Package】

                                                      Extension Spring

                                                      CAD
                                                      • 2D / 3D
                                                      • 2D / 3D
                                                      • 2D / 3D
                                                      • 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
                                                      Days to Ship Same day or more Same day or more Same day or more Same day or more Same day or more Same day or more Same day or more 5 Day(s) or more Same day or more 4 Day(s) or more 3 Day(s) or more Same day or more 3 Day(s) or more 4 Day(s) or more 4 Day(s) or more 3 Day(s) or more 3 Day(s) or more 4 Day(s) or more 3 Day(s) or more 8 Day(s) 3 Day(s) or more 8 Day(s) or more 3 Day(s) or more 3 Day(s) or more 3 Day(s) or more 3 Day(s) or more 11 Day(s) or more 3 Day(s) or more 3 Day(s) or more 3 Day(s) or more 9 Day(s) or more 9 Day(s) 10 Day(s) or more
                                                      Free Length Lf(mm)10 ~ 6010 ~ 6010 ~ 20015 ~ 652.7 ~ 266.110 ~ 2002.7 ~ 266.1-6.8 ~ 162.210 ~ 17511 ~ 20210 ~ 608 ~ 15010 ~ 17510 ~ 6010.1 ~ 266.16.5 ~ 126.215 ~ 6525 ~ 10018.3200 ~ 476-235 ~ 52125 ~ 5030 ~ 14029.1 ~ 138.6-117 ~ 260500 ~ 1000120 ~ 280-50300
                                                      Coil Outer Dia. OD(Ø)3 ~ 83 ~ 102 ~ 245 ~ 140.9 ~ 34.53 ~ 240.9 ~ 34.53 ~ 282 ~ 202 ~ 203.2 ~ 243 ~ 101.8 ~ 222 ~ 203 ~ 143 ~ 34.52 ~ 165 ~ 143.5 ~ 15450 ~ 1005 ~ 1832 ~ 4812 ~ 169 ~ 275 ~ 204020 ~ 353 ~ 3016 ~ 40-810 ~ 20
                                                      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 / 110.01~15.01~30.00 / 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 / 110.01~3.51~8.00 / 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 / 60.01~110.001.26~3.50 / 3.51~8.00 / 8.01~15.00 / 15.01~30.00 / 30.01~60.00 / 60.01~110.00 / 110.01~~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 / 30.01~60.00 / 60.01~110.008.01~15.00 / 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 / 30.01~60.0015.01~30.00 / 30.01~60.00 / 60.01~110.00 / 110.01~-3.51~8.00110.01~-110.01~30.01~60.00 / 60.01~110.00--110.01~--60.01~110.00 / 110.01~--8.01~15.00 / 15.01~30.00 / 60.01~110.00
                                                      Wire Dia. d(Ø)0.25 ~ 0.80.35 ~ 1.40.2 ~ 3.20.8 ~ 2.30.1 ~ 2.50.45 ~ 40.1 ~ 2.50.3 ~ 3.50.2 ~ 20.28 ~ 2.60.32 ~ 2.30.5 ~ 1.60.18 ~ 2.90.2 ~ 20.5 ~ 2.30.5 ~ 2.50.2 ~ 1.60.8 ~ 2.30.5 ~ 20.454.5 ~ 130.6 ~ 2.34 ~ 61.6 ~ 21.2 ~ 40.5 ~ 23.52.6 ~ 40.2 ~ 2.61.6 ~ 5-0.90.8 ~ 2
                                                      MaterialStainless Steel Wire / Piano WireStainless Steel Wire / Piano WireStainless Steel Wire / Piano WirePiano WireStainless Steel Wire / Piano WireStainless Steel Wire / Piano WireStainless Steel Wire / Piano WirePiano WireStainless Steel WireSWP-BStainless Steel Wire / Piano WireStainless Steel Wire / Piano WireStainless Steel Wire / Piano WireSWP-BSWP-BStainless Steel WireStainless Steel WireSWP-BStainless Steel WireStainless Steel WirePiano WireStainless Steel Wire / Piano WireHard Steel WireTitanium AlloyHard Steel WireHard Steel WirePiano WireHard Steel WireStainless Steel Wire / Piano WirePiano Wire-Stainless Steel WireStainless Steel Wire
                                                      Length L2 at Allowable Load(mm)18.7 ~ 145.312.2 ~ 101.713.5 ~ 342.517.9 ~ 823.7 ~ 782.912 ~ 241.23.7 ~ 830.6-11.6 ~ 340.212.2 ~ 247.5-12 ~ 78.8-15.7 ~ 342.512 ~ 78.811.8 ~ 770.3-17.9 ~ 82-30.1-------------
                                                      Hook Opposing Angle180° (Standard)180° (Standard)180° (Standard) / 90°180° (Standard)180° (Standard)180° (Standard) / 90°180° (Standard)90°180° (Standard)-180° (Standard)180° (Standard)180° (Standard)--180° (Standard)180° (Standard)-180° (Standard)180° (Standard)90°180° (Standard)-180° (Standard)180° (Standard)180° (Standard)-180° (Standard)-90°-180° (Standard)180° (Standard)
                                                      Spring Constant k(N/mm)0.024 ~ 0.690.13 ~ 4.510.02 ~ 11.471.03 ~ 19.020.006 ~ 18.6820.36 ~ 26.480.0059 ~ 18.6690.11 ~ 37.450.0069 ~ 3.2340.13 ~ 5.690.014 ~ 6.7180.98 ~ 10.890.013 ~ 9.150.024 ~ 1.42-0.027 ~ 16.310.01 ~ 1.961.03 ~ 19.02-0.3153.09 ~ 56.80.04 ~ 0.852.84 ~ 8.531.9 ~ 6.5--2.26-0.0019 ~ 0.09041.57 ~ 7.94---
                                                      TypeStandard TypeStandard TypeStandard TypeStandard TypeStandard TypeStandard TypeStandard TypeStandard TypeStandard Type-Standard TypeStandard TypeStandard Type--Standard TypeStandard Type-Standard TypeStandard TypeStandard Type--Standard TypeStandard TypeStandard TypeStandard TypeStandard Type-Standard Type-Standard TypeStandard Type
                                                      Allowable Load P2(N)1.27 ~ 12.753.33 ~ 49.030.69 ~ 225.5520.79 ~ 154.950.16 ~ 2036.47 ~ 430.510.147 ~ 215.6-0.539 ~ 90.362.45 ~ 150.041.16 ~ 158.028.8 ~ 77.470.84 ~ 181.70.69 ~ 78.458.8 ~ 154.953.761 ~ 162.9170.64 ~ 13.7320.79 ~ 154.95-4.85506 ~ 4763-352 ~ 72545 ~ 80--192-3.53 ~ 12586.3 ~ 816---
                                                      Initial Tension Pi(N)0.15 ~ 2.350.66 ~ 12.750.13 ~ 56.885.1 ~ 45.110.029 ~ 86.6031.57 ~ 123.60.0294 ~ 86.5440.18 ~ 54.90.049 ~ 27.930.49 ~ 36.280.13 ~ 45.32.16 ~ 20.590.087 ~ 46.60.13 ~ 12.752.16 ~ 45.110.421 ~ 66.150.04 ~ 8.265.1 ~ 45.11-1.147-1.01 ~ 26.18----21.6-0.055 ~ 30.092----
                                                      Total Number of Winding N----10.5 ~ 79.5-10.5 ~ 79.5-15.5 ~ 62.5------10.5 ~ 79.5---24.5--20 ~ 403.5 ~ 11.5---------
                                                      Max. Deflection(mm)6.8 ~ 85.32.2 ~ 41.73.5 ~ 167.52.9 ~ 18.80.8 ~ 516.82 ~ 46.2---2.2 ~ 72.56 ~ 280.52 ~ 18.83 ~ 2495.7 ~ 167.52 ~ 18.8--2.9 ~ 18.8-11.8249 ~ 655-62 ~ 170---75-100 ~ 240055.6 ~ 102---

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