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Extension Springs

A tension spring is a type of coil spring that is used to receive a load in the pulling direction. Among springs, it is widely used after compression springs and is often used for stainless steel and hard steel wires for springs. It is common to use hooks at both ends. For springs that are used in a wide range from commonly used items such as bicycle stands and seismic isolation devices, select the appropriate one depending on the load and required tension.
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  1. Tension Spring Material Stainless Steel SUS304
    SHK Tension Spring Material Stainless Steel SUS304
    Electronic parts, electrical appliances, toys, industrial equipment, etc. * Please do not use it in a deformed or damaged state.
    Material  Stainless steel SUS304  Spring Type  Tension spring 
    Rating:
    78%
    (34)
    from S$3.99
    Min. 2 days
  2. Tension Spring Material Spring Hard Steel Wire SWC Unichrome Plated
    SHK Tension Spring Material Spring Hard Steel Wire SWC Unichrome Plated
    Electronic parts, electrical appliances, toys, industrial equipment, etc. * Please do not use it in a deformed or damaged state.
    Material  Spring hard wire SWC UNIQLO  Spring Type  Tension spring 
    Rating:
    96%
    (11)
    from S$4.19
    Min. 2 days
  3. Pulling spring Material Hard steel wire SWC chromate for spring
    SHK Pulling spring Material Hard steel wire SWC chromate for spring
    Electronic parts, electrical appliances, toys, industrial equipment, etc. * Please do not use it in a deformed or damaged state.
    Material  Hard steel wire SWC chromate for spring  Spring Type  Tension spring 
    Rating:
    88%
    (12)
    from S$3.39
    Min. 2 days
  4. Stainless steel spring
    WAKI Stainless steel spring
    Electric appliances, toys, plastic models, mobiles, crafts
    Material  Stainless steel SUS304 
    Rating:
    100%
    (2)
    from S$2.39
    Min. 2 days
  5. Tension spring Material Spring hard wire SWC UNIQLO
    SHK Tension spring Material Spring hard wire SWC UNIQLO
    Electronic parts, electrical appliances, toys, industrial equipment, etc. * Please do not use it in a deformed or damaged state.
    Material  Spring hard wire SWC UNIQLO  Spring Type  Tension spring 
    Rating:
    97%
    (7)
    from S$18.99
    Min. 2 days
  6. Iron spring
    WAKI Iron spring
    It is an iron pull spring
    Material  Chromate steel wire 
    Rating:
    40%
    (2)
    from S$4.29
    Min. 2 days
  7. Iron spring
    WAKI Iron spring
    Electric appliances, toys, plastic models, mobiles, crafts
    Material  Chromate steel wire 
    Rating:
    100%
    (3)
    from S$2.49
    Min. 2 days
  8. UNIQLO plating tension spring
    WAKI UNIQLO plating tension spring
    Electric appliances, toys, plastic models, mobiles, crafts
    Material  UNIQLO plated steel wire 
    Rating:
    100%
    (1)
    from S$1.59
    Min. 2 days
  9. Chromate spring
    Tsuchino Chromate spring
    * Please use after confirming the proper load. * Please refrain from using it for any other purpose. * Please do not use it in a deformed or damaged state. * Spring constants are reference values.
    Material  Chromate steel wire  RoHS directive (corresponding to 10 substances)  Correspondence  Spring Type  Tension spring 
    Rating:
    80%
    (2)
    from S$3.69
    Min. 2 days
  10. Stainless steel spring 78
    Tsuchino Stainless steel spring 78
    * Spring constants are reference values.
    RoHS directive (corresponding to 10 substances)  Correspondence  Material  Stainless steel (SUS304WPB)  Spring Type  Tension spring 
    Rating:
    90%
    (2)
    from S$2.69
    Min. 2 days
  11. Stainless steel spring
    Tsuchino Stainless steel spring
    * Please use after confirming the proper load. * Please refrain from using it for any other purpose. * Please do not use it in a deformed or damaged state. * Spring constants are reference values.
    RoHS directive (corresponding to 10 substances)  Correspondence  Spring Type  Tension spring 
    Rating:
    100%
    (3)
    from S$3.39
    Min. 2 days
  12. 4.0x0.5 / 19.4mm pulling spring (stainless steel / 5pcs)
    ESCO 4.0x0.5 / 19.4mm pulling spring (stainless steel / 5pcs)
    Wire Diameter Φ(mm)  0.5  Spring Constant (N/mm)  0.5  Initial Tension (N)  1.736  Hooks Opposite Direction  180°  Height (mm)  19.4  Allowable Load Height (mm)  29.4  Outer Diameter (Φmm)  4  Allowable Load (N)  6.72  Esco Part No.  EA952SG-90  Hook Style  Reverse round hook  Coil Direction  Right  Material  SUS304 
    Rating:
    100%
    (1)
    from S$9.89
    Min. 2 days
  13. Stainless steel spring
    HILOGIK Stainless steel spring
    Spring / Spring series
    Material  SUS304WPB 
    from S$5.59
    Min. 2 days
  14. Iron spring
    WAKI Iron spring
    Electric equipment, toys, plastic models, mobiles, crafts
    Material  Chromate steel wire 
    Rating:
    100%
    (1)
    from S$2.39
    Min. 2 days
  15. 2.0x0.2 / 11.6mm pulling spring (stainless steel / 5pcs)
    ESCO 2.0x0.2 / 11.6mm pulling spring (stainless steel / 5pcs)
    Spring Constant (N/mm)  0.059  Initial Tension (N)  0.177  Wire Diameter Φ(mm)  0.2  Allowable Load (N)  0.88  Height (mm)  11.6  Hooks Opposite Direction  180°  Outer Diameter (Φmm)  2  Allowable Load Height (mm)  23.6  Esco Part No.  EA952SG-3  Hook Style  Reverse round hook  Coil Direction  Right  Material  SUS304 
    from S$9.89
    Min. 2 days
  16. Pull spring set
    ESCO Pull spring set
    Case Dimensions (mm)  210×140×45  Mass (g)  580  Material  Carbon steel (S60C)  Esco Part No.  EA952TB 
    from S$38.99
    Min. 2 days
  17. 3.2x0.32 / 10.9mm pulling spring (stainless steel / 5pcs)
    ESCO 3.2x0.32 / 10.9mm pulling spring (stainless steel / 5pcs)
    Spring Constant (N/mm)  0.235  Wire Diameter Φ(mm)  0.32  Initial Tension (N)  0.471  Height (mm)  10.9  Allowable Load Height (mm)  18.3  Hooks Opposite Direction  180°  Allowable Load (N)  2.21  Outer Diameter (Φmm)  3.2  Esco Part No.  EA952SG-47  Hook Style  Reverse round hook  Coil Direction  Right  Material  SUS304 
    from S$9.89
    Min. 2 days
  18. 12.5x46.9mm pulling spring
    ESCO 12.5x46.9mm pulling spring
    Wire Diameter Φ(mm)  1.6  Outer Diameter (Φmm)  12.5  Total Coil Count  15.5  Initial Tension (N)  20.96  Length (mm)  46.9, allowable load: 63.8  Tolerance  B:±0.2、C:±0.15  Esco Part No.  EA952XJ-46.9  Material  Stainless steel  Spring Type  Tension spring 
    from S$22.99
    Min. 2 days
  19. 2.0x0.2 / 8.6mm pulling spring (stainless steel / 5pcs)
    ESCO 2.0x0.2 / 8.6mm pulling spring (stainless steel / 5pcs)
    Spring Constant (N/mm)  0.094  Initial Tension (N)  0.177  Wire Diameter Φ(mm)  0.2  Allowable Load (N)  0.88  Allowable Load Height (mm)  16.1  Hooks Opposite Direction  180°  Outer Diameter (Φmm)  2  Height (mm)  8.6  Esco Part No.  EA952SG-2  Hook Style  Reverse round hook  Coil Direction  Right  Material  SUS304 
    from S$9.89
    Min. 6 days
  20. 2.5x0.26 / 14.9mm pull spring (stainless steel / 5pcs)
    ESCO 2.5x0.26 / 14.9mm pull spring (stainless steel / 5pcs)
    Spring Constant (N/mm)  0.087  Wire Diameter Φ(mm)  0.26  Initial Tension (N)  0.333  Allowable Load (N)  1.52  Height (mm)  14.9  Hooks Opposite Direction  180°  Outer Diameter (Φmm)  2.5  Allowable Load Height (mm)  28.5  Esco Part No.  EA952SG-21  Hook Style  Reverse round hook  Coil Direction  Right  Material  SUS304 
    from S$9.89
    Min. 4 days
  21. 3.2x0.32 / 18.6mm pulling spring (stainless steel / 5pcs)
    ESCO 3.2x0.32 / 18.6mm pulling spring (stainless steel / 5pcs)
    Spring Constant (N/mm)  0.094  Wire Diameter Φ(mm)  0.32  Initial Tension (N)  0.471  Height (mm)  18.6  Hooks Opposite Direction  180°  Allowable Load (N)  2.21  Outer Diameter (Φmm)  3.2  Allowable Load Height (mm)  37  Esco Part No.  EA952SG-49  Hook Style  Reverse round hook  Coil Direction  Right  Material  SUS304 
    from S$9.89
    Min. 3 days
  22. 4.0x0.45 / 18.3mm pull spring (stainless steel / 5pcs)
    ESCO 4.0x0.45 / 18.3mm pull spring (stainless steel / 5pcs)
    Spring Constant (N/mm)  0.315  Wire Diameter Φ(mm)  0.45  Initial Tension (N)  1.147  Height (mm)  18.3  Hooks Opposite Direction  180°  Allowable Load Height (mm)  30.1  Outer Diameter (Φmm)  4  Allowable Load (N)  4.85  Esco Part No.  EA952SG-86  Hook Style  Reverse round hook  Coil Direction  Right  Material  SUS304 
    from S$9.89
    Min. 6 days
  23. 4.0x0.23 / 22.4mm Pull spring (Stainless steel / 5pcs)
    ESCO 4.0x0.23 / 22.4mm Pull spring (Stainless steel / 5pcs)
    Spring Constant (N/mm)  0.007  Initial Tension (N)  0.049  Wire Diameter Φ(mm)  0.23  Allowable Load (N)  0.64  Allowable Load Height (mm)  108.1  Hooks Opposite Direction  180°  Height (mm)  22.4  Outer Diameter (Φmm)  4  Esco Part No.  EA952SG-64  Hook Style  Reverse round hook  Coil Direction  Right  Material  SUS304 
    from S$9.89
    Min. 2 days
  24. 4.0x0.23 / 13.7mm Pull spring (Stainless steel / 5pcs)
    ESCO 4.0x0.23 / 13.7mm Pull spring (Stainless steel / 5pcs)
    Spring Constant (N/mm)  0.018  Initial Tension (N)  0.049  Wire Diameter Φ(mm)  0.23  Allowable Load (N)  0.64  Height (mm)  13.7  Hooks Opposite Direction  180°  Outer Diameter (Φmm)  4  Allowable Load Height (mm)  47  Esco Part No.  EA952SG-62  Hook Style  Reverse round hook  Coil Direction  Right  Material  SUS304 
    from S$9.89
    Min. 6 days
  25. 2.5x0.23 / 13.8mm pull spring (stainless steel / 5pcs)
    ESCO 2.5x0.23 / 13.8mm pull spring (stainless steel / 5pcs)
    Spring Constant (N/mm)  0.052  Initial Tension (N)  0.196  Wire Diameter Φ(mm)  0.23  Allowable Load (N)  1.03  Height (mm)  13.8  Hooks Opposite Direction  180°  Outer Diameter (Φmm)  2.5  Allowable Load Height (mm)  29.8  Esco Part No.  EA952SG-17  Hook Style  Reverse round hook  Coil Direction  Right  Material  SUS304 
    from S$9.89
    Min. 6 days
  26. 20x162.2mm pull spring
    ESCO 20x162.2mm pull spring
    Length (mm)  162.2, allowable load: 302.3  Wire Diameter Φ(mm)  2  Outer Diameter (Φmm)  20.0  Initial Tension (N)  21.03  Total Coil Count  62.5  Tolerance  B:±0.4、C:±0.3  Esco Part No.  EA952XL-162  Material  Stainless steel  Spring Type  Tension spring 
    from S$38.99
    Min. 2 days
  27. 2.5x0.2 / 12.7mm pulling spring (stainless steel / 5pcs)
    ESCO 2.5x0.2 / 12.7mm pulling spring (stainless steel / 5pcs)
    Spring Constant (N/mm)  0.028  Initial Tension (N)  0.108  Wire Diameter Φ(mm)  0.2  Allowable Load (N)  0.69  Height (mm)  12.7  Hooks Opposite Direction  180°  Outer Diameter (Φmm)  2.5  Allowable Load Height (mm)  33  Esco Part No.  EA952SG-13  Hook Style  Reverse round hook  Coil Direction  Right  Material  SUS304 
    from S$9.89
    Min. 5 days
  28. 3.2x0.26 / 12.5mm pull spring (stainless steel / 5pcs)
    ESCO 3.2x0.26 / 12.5mm pull spring (stainless steel / 5pcs)
    Spring Constant (N/mm)  0.062  Initial Tension (N)  0.186  Wire Diameter Φ(mm)  0.26  Allowable Load (N)  1.18  Height (mm)  12.5  Hooks Opposite Direction  180°  Allowable Load Height (mm)  28.5  Outer Diameter (Φmm)  3.2  Esco Part No.  EA952SG-40  Hook Style  Reverse round hook  Coil Direction  Right  Material  SUS304 
    from S$9.89
    Min. 6 days
  29. 8.0x0.65 / 25.5mm pull spring (stainless steel / 5pcs)
    ESCO 8.0x0.65 / 25.5mm pull spring (stainless steel / 5pcs)
    Spring Constant (N/mm)  0.241  Wire Diameter Φ(mm)  0.65  Initial Tension (N)  1.177  Hooks Opposite Direction  180°  Height (mm)  25.5  Allowable Load Height (mm)  49.5  Allowable Load (N)  6.96  Outer Diameter (Φmm)  8  Esco Part No.  EA952SG-179  Hook Style  Reverse round hook  Coil Direction  Right  Material  SUS304 
    Rating:
    100%
    (1)
    from S$11.99
    Min. 6 days
  30. 6.3x23.5mm pulling spring
    ESCO 6.3x23.5mm pulling spring
    Wire Diameter Φ(mm)  0.8  Total Coil Count  15.5  Length (mm)  23.5, allowable load: 33.3  Initial Tension (N)  5.19  Outer Diameter (Φmm)  6.3  Tolerance  B:±0.2、C:±0.15  Esco Part No.  EA952XF-23.5  Material  Stainless steel  Spring Type  Tension spring 
    from S$13.99
    Min. 4 days
  31. 6.3x0.6 / 26.5mm Pull spring (Stainless steel / 5pcs)
    ESCO 6.3x0.6 / 26.5mm Pull spring (Stainless steel / 5pcs)
    Spring Constant (N/mm)  0.24  Wire Diameter Φ(mm)  0.6  Initial Tension (N)  1.442  Hooks Opposite Direction  180°  Height (mm)  26.5  Allowable Load Height (mm)  49.9  Outer Diameter (Φmm)  6.3  Allowable Load (N)  7.06  Esco Part No.  EA952SG-148  Hook Style  Reverse round hook  Coil Direction  Right  Material  SUS304 
    from S$11.99
    Min. 6 days
  32. 5.0x0.4 / 25.4mm Pull spring (Stainless steel / 5pcs)
    ESCO 5.0x0.4 / 25.4mm Pull spring (Stainless steel / 5pcs)
    Spring Constant (N/mm)  0.057  Wire Diameter Φ(mm)  0.4  Initial Tension (N)  0.441  Hooks Opposite Direction  180°  Allowable Load (N)  2.65  Height (mm)  25.4  Outer Diameter (Φmm)  5  Allowable Load Height (mm)  64.2  Esco Part No.  EA952SG-111  Hook Style  Reverse round hook  Coil Direction  Right  Material  SUS304 
    from S$9.89
    Min. 6 days
  33. 2.0x0.2 / 6.8mm pull spring (stainless steel / 5pcs)
    ESCO 2.0x0.2 / 6.8mm pull spring (stainless steel / 5pcs)
    Spring Constant (N/mm)  0.147  Initial Tension (N)  0.177  Wire Diameter Φ(mm)  0.2  Allowable Load (N)  0.88  Allowable Load Height (mm)  11.6  Hooks Opposite Direction  180°  Outer Diameter (Φmm)  2  Height (mm)  6.8  Esco Part No.  EA952SG-1  Hook Style  Reverse round hook  Coil Direction  Right  Material  SUS304 
    Rating:
    40%
    (1)
    from S$9.89
    Min. 3 days
  34. 4.0x0.5 / 14.9mm pulling spring (stainless steel / 5pcs)
    ESCO 4.0x0.5 / 14.9mm pulling spring (stainless steel / 5pcs)
    Wire Diameter Φ(mm)  0.5  Spring Constant (N/mm)  0.782  Initial Tension (N)  1.736  Height (mm)  14.9  Hooks Opposite Direction  180°  Allowable Load Height (mm)  21.3  Outer Diameter (Φmm)  4  Allowable Load (N)  6.72  Esco Part No.  EA952SG-89  Hook Style  Reverse round hook  Coil Direction  Right  Material  SUS304 
    from S$9.89
    Min. 6 days
  35. 10x0.6mm pull spring
    ESCO 10x0.6mm pull spring
    Wire Diameter Φ(mm)  0.6  Length (m)  1  Outer Diameter (Φmm)  10  Esco Part No.  EA952SA-101  Material  Spring steel  Spring Type  Tension spring 
    from S$39.99
    Min. 4 days
  36. 8x0.5mm pull spring
    ESCO 8x0.5mm pull spring
    Wire Diameter Φ(mm)  0.5  Length (m)  1  Outer Diameter (Φmm)  8  Esco Part No.  EA952SA-81  Material  Spring steel  Spring Type  Tension spring 
    from S$34.99
    Min. 4 days
  37. 10.0x36.5mm pulling spring
    ESCO 10.0x36.5mm pulling spring
    Wire Diameter Φ(mm)  1.2  Outer Diameter (Φmm)  10.0  Initial Tension (N)  10.57  Total Coil Count  15.5  Length (mm)  36.5, allowable load: 52.5  Tolerance  B:±0.3、C:±0.2  Esco Part No.  EA952XH-36.5  Material  Stainless steel  Spring Type  Tension spring 
    from S$19.99
    Min. 4 days
  38. 6.3x0.7 / 55.2mm pulling spring (stainless steel / 5pcs)
    ESCO 6.3x0.7 / 55.2mm pulling spring (stainless steel / 5pcs)
    Spring Constant (N/mm)  0.186  Wire Diameter Φ(mm)  0.7  Allowable Load Height (mm)  101  Allowable Load (N)  11.28  Hooks Opposite Direction  180°  Initial Tension (N)  2.746  Height (mm)  55.2  Outer Diameter (Φmm)  6.3  Esco Part No.  EA952SG-158  Hook Style  Reverse round hook  Coil Direction  Right  Material  SUS304 
    Rating:
    100%
    (1)
    from S$16.99
    Min. 6 days
  39. 6.3x0.55 / 46.4mm pulling spring (stainless steel / 5pcs)
    ESCO 6.3x0.55 / 46.4mm pulling spring (stainless steel / 5pcs)
    Spring Constant (N/mm)  0.066  Wire Diameter Φ(mm)  0.55  Initial Tension (N)  1.01  Allowable Load Height (mm)  113.1  Hooks Opposite Direction  180°  Height (mm)  46.4  Allowable Load (N)  5.39  Outer Diameter (Φmm)  6.3  Esco Part No.  EA952SG-146  Hook Style  Reverse round hook  Coil Direction  Right  Material  SUS304 
    from S$16.99
    Min. 6 days
  40. 4.0x0.5 / 26.9mm pulling spring (stainless steel / 5pcs)
    ESCO 4.0x0.5 / 26.9mm pulling spring (stainless steel / 5pcs)
    Spring Constant (N/mm)  0.313  Wire Diameter Φ(mm)  0.5  Initial Tension (N)  1.736  Hooks Opposite Direction  180°  Height (mm)  26.9  Outer Diameter (Φmm)  4  Allowable Load Height (mm)  42.8  Allowable Load (N)  6.72  Esco Part No.  EA952SG-91  Hook Style  Reverse round hook  Coil Direction  Right  Material  SUS304 
    from S$11.99
    Min. 6 days
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