Torsion Spring

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Volume Discount

324 types for both right- and left-handed windings. Torsion springs with an internal diameter of 3 to 18.
[Features]
· The same internal diameter can be selected with multiple wire diameters, so different strengths can be confirmed.
· Springs that use torsional moment (torque) around the coil axis.
[Applications]
· Lids for household mailboxes, etc.
· Can also be used for clips, etc.

Stock

Part Number

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Data to be displayed: 30; 45; 60

Part Number
33-0720
33-0721
33-0722
33-0723
33-0724
33-0725
33-0726
33-0727
33-0728
33-0730
33-0731
33-0732
33-0733
33-0734
33-0735
33-0736
33-0737
33-0738
33-0740
33-0741
33-0742
33-0743
33-0744
33-0745
33-0746
33-0748
34-0720
34-0721
34-0722
34-0723
34-0724
34-0725
34-0726
34-0727
34-0728
34-0730
34-0731
34-0732
34-0733
34-0734
34-0735
34-0736
34-0737
34-0738
34-0740
34-0741
34-0742
34-0743
34-0744
34-0745
34-0746
34-0747
34-0748

Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	RoHS	Angle	Internal Diameter	Operating Angle (deg)	Wire diameter (Ø)	Number of Windings	Spring Constant (N･mm/deg)	Arm Length
4.08 €	4	Available	5 Days	10	Right Winding 90° coils	φ7	59	0.7	2	0.703	28
3.72 €	4	Available	5 Days	10	Right Winding 135° coils	φ7	55	0.7	2	0.744	28
4.11 €	4	Available	6 Days	10	Right Winding 180° coils	φ7	52	0.7	2	0.791	28
4.51 € 1.35 €	1	Available	Same day Stock	10	Right Winding 90° coils	φ7	85	0.7	3	0.487	28
4.22 € 1.27 €	1	Available	Same day Stock	10	Right Winding 135° coils	φ7	82	0.7	3	0.506	28
4.11 €	4	Available	6 Days	10	Right Winding 180° coils	φ7	78	0.7	3	0.527	28
4.25 €	4	Available	5 Days	10	Right Winding 90° coils	φ7	137	0.7	5	0.301	28
4.71 € 1.41 €	1	Available	Same day Stock	10	Right Winding 135° coils	φ7	134	0.7	5	0.309	28
4.25 €	4	Available	5 Days	10	Right Winding 180° coils	φ7	131	0.7	5	0.316	28
4.25 €	4	Available	5 Days	10	Right Winding 90° coils	φ7	44	0.9	2	1.87	28
4.25 €	4	Available	6 Days	10	Right Winding 135° coils	φ7	42	0.9	2	1.98	28
4.25 €	4	Available	6 Days	10	Right Winding 180° coils	φ7	39	0.9	2	2.11	28
4.71 €	1	Available	Same day Stock	10	Right Winding 90° coils	φ7	64	0.9	3	1.30	28
4.25 €	4	Available	6 Days	10	Right Winding 135° coils	φ7	62	0.9	3	1.35	28
4.25 €	4	Available	6 Days	10	Right Winding 180° coils	φ7	59	0.9	3	1.40	28
4.90 € 1.91 €	1	Available	Same day Stock	10	Right Winding 90° coils	φ7	104	0.9	5	0.802	28
4.54 €	4	Available	5 Days	10	Right Winding 135° coils	φ7	102	0.9	5	0.822	28
4.54 €	4	Available	6 Days	10	Right Winding 180° coils	φ7	99	0.9	5	0.843	28
4.90 €	1	Available	6 Days	10	Right Winding 90° coils	φ7	33	1.2	2	5.70	28
4.54 €	4	Available	5 Days	10	Right Winding 135° coils	φ7	31	1.2	2	6.04	28
4.59 €	4	Available	5 Days	10	Right Winding 180° coils	φ7	29	1.2	2	6.41	28
4.54 €	4	Available	5 Days	10	Right Winding 90° coils	φ7	48	1.2	3	3.95	28
4.54 €	4	Available	5 Days	10	Right Winding 135° coils	φ7	46	1.2	3	4.11	28
4.59 €	4	Available	6 Days	10	Right Winding 180° coils	φ7	44	1.2	3	4.28	28
4.82 €	4	Available	5 Days	10	Right Winding 90° coils	φ7	78	1.2	5	2.44	28
4.93 €	4	Available	5 Days	10	Right Winding 180° coils	φ7	74	1.2	5	2.57	28
4.54 €	4	Available	8 Days	10	Left Winding 90° coils	φ7	59	0.7	2	0.703	28
4.54 €	4	Available	8 Days	10	Left Winding 135° coils	φ7	55	0.7	2	0.744	28
4.54 €	4	Available	8 Days	10	Left Winding 180° coils	φ7	52	0.7	2	0.791	28
4.54 €	4	Available	8 Days	10	Left Winding 90° coils	φ7	85	0.7	3	0.487	28
4.54 €	4	Available	8 Days	10	Left Winding 135° coils	φ7	82	0.7	3	0.506	28
4.54 €	4	Available	8 Days	10	Left Winding 180° coils	φ7	78	0.7	3	0.527	28
4.82 €	4	Available	8 Days	10	Left Winding 90° coils	φ7	137	0.7	5	0.301	28
4.82 €	4	Available	8 Days	10	Left Winding 135° coils	φ7	134	0.7	5	0.309	28
4.82 €	1	Available	5 Days	10	Left Winding 180° coils	φ7	131	0.7	5	0.316	28
8.47 €	4	Available	8 Days	10	Left Winding 90° coils	φ7	44	0.9	2	1.87	28
4.82 €	4	Available	8 Days	10	Left Winding 135° coils	φ7	42	0.9	2	1.98	28
4.82 €	4	Available	8 Days	10	Left Winding 180° coils	φ7	39	0.9	2	2.11	28
8.47 €	4	Available	8 Days	10	Left Winding 90° coils	φ7	64	0.9	3	1.30	28
4.82 €	4	Available	8 Days	10	Left Winding 135° coils	φ7	62	0.9	3	1.35	28
8.47 €	4	Available	8 Days	10	Left Winding 180° coils	φ7	59	0.9	3	1.40	28
5.12 €	4	Available	8 Days	10	Left Winding 90° coils	φ7	104	0.9	5	0.802	28
5.12 €	4	Available	8 Days	10	Left Winding 135° coils	φ7	102	0.9	5	0.822	28
5.12 €	4	Available	8 Days	10	Left Winding 180° coils	φ7	99	0.9	5	0.843	28
8.47 €	4	Available	8 Days	10	Left Winding 90° coils	φ7	33	1.2	2	5.70	28
5.12 €	4	Available	8 Days	10	Left Winding 135° coils	φ7	31	1.2	2	6.04	28
5.12 €	4	Available	8 Days	10	Left Winding 180° coils	φ7	29	1.2	2	6.41	28
5.12 €	4	Available	5 Days	10	Left Winding 90° coils	φ7	48	1.2	3	3.95	28
5.12 €	4	Available	8 Days	10	Left Winding 135° coils	φ7	46	1.2	3	4.11	28
5.12 €	4	Available	8 Days	10	Left Winding 180° coils	φ7	44	1.2	3	4.28	28
5.42 €	5	Available	8 Days	10	Left Winding 90° coils	φ7	78	1.2	5	2.44	28
5.42 €	4	Available	5 Days	10	Left Winding 135° coils	φ7	76	1.2	5	2.50	28
5.42 €	4	Available	8 Days	10	Left Winding 180° coils	φ7	74	1.2	5	2.57	28

Basic information

Material	Stainless Steel (EN 1.4301 (WPB) Equiv.)

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Basic Attributes

Angle
- Right Winding 90° coils
- Right Winding 135° coils
- Right Winding 180° coils
- Left Winding 90° coils
- Left Winding 135° coils
- Left Winding 180° coils
Clear
Operating Angle(deg)
26

27

29

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

101

102

104

106

107

108

110

111

112

114

116

119

122

125

128

131

134

137

140

144
Clear
Wire diameter(Ø)
0.3

0.4

0.5

0.6

0.7

0.8

0.9

1

1.2

1.4

1.6

1.8

2

2.3

2.6

2.9
Clear
Number of Windings
- 2
- 3
- 5
Clear
Spring Constant(N･mm/deg)
0.024

0.025

0.038

0.04

0.042

0.055

0.056

0.058

0.059

0.062

0.073

0.075

0.076

0.091

0.094

0.098

0.11

0.112

0.115

0.118

0.122

0.127

0.131

0.134

0.137

0.139

0.141

0.148

0.17

0.173

0.177

0.18

0.181

0.184

0.190

0.191

0.192

0.194

0.199

0.217

0.224

0.225

0.229

0.235

0.256

0.271

0.272

0.279

0.286

0.288

0.29

0.301

0.302

0.306

0.309

0.313

0.316

0.319

0.332

0.352

0.361

0.376

0.391

0.403

0.426

0.440

0.443

0.45

0.453

0.457

0.461

0.469

0.472

0.476

0.487

0.498

0.506

0.522

0.527

0.552

0.582

0.587

0.596

0.611

0.635

0.640

0.656

0.672

0.682

0.699

0.703

0.715

0.716

0.726

0.744

0.755

0.787

0.791

0.802

0.822

0.843

0.878

0.900

0.922

0.94

0.978

1.02

1.03

1.05

1.07

1.08

1.10

1.11

1.12

1.13

1.15

1.18

1.19

1.30

1.35

1.36

1.38

1.40

1.41

1.42

1.44

1.45

1.48

1.49

1.52

1.53

1.54

1.56

1.58

1.59

1.592

1.68

1.686

1.73

1.79

1.80

1.87

1.88

1.96

1.98

2.01

2.05

2.06

2.11

2.17

2.18

2.23

2.29

2.31

2.32

2.41

2.42

2.44

2.45

2.47

2.50

2.51

2.53

2.55

2.57

2.65

2.66

2.82

3.17

3.22

3.26

3.30

3.34

3.41

3.42

3.44

3.52

3.54

3.57

3.60

3.62

3.66

3.69

3.75

3.78

3.81

3.89

3.95

3.98

4.05

4.11

4.22

4.28

4.58

4.66

4.77

4.85

4.89

5.08

5.12

5.16

5.25

5.26

5.38

5.46

5.47

5.59

5.62

5.70

5.72

5.73

5.77

5.81

5.95

6.00

6.04

6.25

6.30

6.33

6.41

6.42

6.58

6.74

7.35

7.52

7.53

7.60

7.72

7.82

8.04

8.15

8.28

8.33

8.39

8.55

8.59

8.61

8.80

8.82

8.89

8.96

9.02

9.17

9.37

9.44

9.55

9.66

9.90

10.2

10.4

10.8

10.9

11.2

11.5

11.9

12.0

12.2

12.4

12.7

12.9

13.3

13.5

13.6

13.9

14.0

14.3

14.4

15.0

15.6

15.9

16.2

16.9

17.2

18.2

19.3

20.0

21.2

21.5

22.4

22.5

23.3

23.7

23.9

24.3

24.9

25.4

31.1

32.7

32.9

33.5

34.3

35.0

38.3

39.9

41.5

52.8

54.9

55.4

57.2

58.6

62.3

76.3

80.8

85.8
Clear
Arm Length
12

16

20

24

28

32

36

40

48

56

64

72
Clear
Type
- 33
- 34
Clear
Internal Diameter
φ3

φ4

φ5

φ6

φ7

φ8

φ9

φ10

φ12

φ14

φ16

φ18
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