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Tension Springs - Heavy Load (BUT12-50)

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On Sale Till 15/12/2024
Volume Discount

MISUMI

•Type: Standard Type
For complete product overview and details on Tension Springs - Heavy Load see the sections below:

inCAD Components

(i)Caution

Please check the content on our website as the PDF does not contain the most up-to-date information.

Part Number

Configured Part Number is shown.

BUT12-50

Tension Springs -Heavy Load-:Related Image

・Materials

Type	[ M ]Material
AW_ BWT	Spring Steel (ASTM A228)
AUT BUT	304 Stainless Steel

Specifications

Part Number

AWT10-50

■Heavy Load * marked dimensions are for AWT and AUT only.

Part Number		Wire Dia. dmm	Dynamic Load		(Initial Extension) N	(Spring Constant) N/mm
Type	D-L	Wire Dia. dmm	Max. Deflection Fmax. mm	Max. Load N	(Initial Extension) N	(Spring Constant) N/mm
AWT AUT BWT BUT	3-10	0.5	2.0	8.8	2.16	3.24
	15		3.7			1.77
	20		5.2			1.27
	25		6.8			0.98
	*30		8.5			0.78
AWT AUT BWT BUT	4-15	0.6	4.0	11.1	2.55	2.16
	20		6.4			1.37
	25		8.4			0.98
	30		10.9			0.78
	*35		12.4			0.69
	*40		15.0			0.57
AWT AUT BWT BUT	5-15	0.8	2.9	20.79	5.1	5.39
	20		4.6			3.43
	25		6.4			2.45
	30		8.4			1.86
	35		10.0			1.57
	*40		11.4			1.38
	*45		13.3			1.18
	*50		15.2			1.03
AWT BWT AUT BUT	6-20	1.0	3.7	33.15	8.6	6.57
	25		5.3			4.61
	30		6.9			3.53
	35		8.3			2.94
	40		10.0			2.45
	*45		10.8			2.27
	*50		12.5			1.96
	*55		14.3			1.71
	*60		15.6			1.57
AWT BWT AUT BUT	8-25	1.2	5.3	41.19	9.81	5.88
	30		7.3			4.31
	35		9.1			3.43
	40		11.9			2.65
	45		13.6			2.35
	50		15.5			2.06
	*55		16.8			1.87
	*60		18.8			1.67
	*65		20.6			1.52
	*70		22.8			1.38
AWT BWT AUT BUT	10-30	1.6	5.2	77.47	20.59	10.89
	35		6.8			8.34
	40		8.4			6.77
	45		10.0			5.69
	50		11.6			4.9
	55		13.2			4.31
	60		15.2			3.73
	*65		17.0			3.35
	*70		19.3			2.95
	*75		20.7			2.75
	*80		24.1			2.36
	*90		26.3			2.16
	*100		29.0			1.96
AWT BWT AUT BUT	12-40	2.0	6.6	120.62	34.3	13.04
	45		7.7			11.18
	50		9.4			9.22
	55		10.5			8.24
	60		12.1			7.16
	65		13.1			6.57
	70		14.9			5.79
	75		16.0			5.39
	80		17.6			4.9
	*90		19.1			4.52
	*100		22.0			3.92
AWT	14-40	2.3	5.8	154.95	45.11	19.02
	45		7.0			15.59
	50		8.4			13.14
	55		9.6			11.47
	60		10.9			10.1
	65		12.9			8.53
	70		14.2			7.75
	75		15.3			7.16
	80		16.7			6.57
	90		18.6			5.91
	100		21.1			5.21
	125		28.0			3.92
AWT	16-50	2.6	7.5	195.15	55.9	18.63
	55		9.0			15.49
	60		10.4			13.34
	65		11.9			11.67
	70		13.4			10.4
	75		15.0			9.32
	80		16.5			8.43
	90		19.4			7.16
	100		22.4			6.18
	125		28.4			4.90
	150		35.5			3.92
AWT	18-55	2.9	8.3	236.34	68.65	20.1
	60		10.0			16.67
	65		11.6			14.71
	70		12.5			13.44
	75		14.1			11.77
	80		15.8			10.79
	90		18.4			9.12
	100		21.6			7.75
	125		27.1			6.19
	150		34.2			4.90
AWT	20-60	3.2	9.2	281.45	82.38	21.57
	70		11.9			16.67
	80		14.7			13.53
	90		17.5			11.38
	100		20.1			9.9
	125		27.8			7.16
	150		33.8			5.89
	175		40.6			4.90
AWT	24-80	4.0	11.7	430.51	123.6	26.48
	90		13.7			22.46
	100		16.6			18.63
	125		22.5			13.63
	150		28.5			10.79
	175		34.4			8.92
	200		41.2			7.45

[ ! ]Initial extension and spring constant are for reference only. Load {kgf} = Load Nx0.101972

■Medium to Heavy Load

Part Number		Wire Dia. dmm	Dynamic Load		(Initial Extension) N	(Spring Constant) N/mm
Type	D-L	Wire Dia. dmm	Max. Deflection Fmax.mm	Max. Load N	(Initial Extension) N	(Spring Constant) N/mm
AWF	3-10	0.45	2.2	6.47	1.57	2.26
	15		4.5			1.08
	20		6.7			0.74
	25		9.1			0.54
	30		11.4			0.43
AWF	4-15	0.55	4.5	8.43	1.86	1.47
	20		7.1			0.93
	25		10.0			0.66
	30		12.6			0.52
	35		15.2			0.43
	40		18.1			0.36
AWF	5-15	0.7	3.9	14.71	2.45	3.14
	20		6.9			1.77
	25		9.6			1.28
	30		12.5			0.98
	35		15.6			0.78
	40		19.2			0.64
	45		21.9			0.56
	50		25.0			0.49
AWF	6-20	0.9	3.9	23.54	5.88	4.51
	25		6.0			2.94
	30		7.8			2.26
	35		10.0			1.77
	40		12.0			1.47
	45		13.8			1.28
	50		16.4			1.08
	55		18.0			0.98
	60		20.0			0.88
AWF	8-25	1.1	5.8	31.38	6.86	4.23
	30		8.3			2.94
	35		10.9			2.26
	40		13.2			1.86
	45		15.6			1.57
	50		18.5			1.32
	55		21.7			1.13
	60		23.8			1.03
	65		26.3			0.93
	70		27.8			0.88
AWF	10-30	1.4	6.5	49.03	12.75	5.58
	35		8.7			4.17
	40		10.7			3.39
	45		12.9			2.81
	50		15.2			2.39
	55		17.2			2.11
	60		19.5			1.86
	70		23.1			1.57
	80		27.4			1.32
	90		32.1			1.13
	100		46.2			0.79
AWF	12-35	1.8	5.0	83.36	23.54	12.0
	40		7.0			8.55
	45		9.0			6.65
	50		11.0			5.44
	55		13.0			4.60
	60		14.5			4.13
	70		17.8			3.36
	80		21.3			2.81
	90		24.5			2.44
	100		27.5			2.18

Part Number

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Part Number
BUT12-50

Part Number	Minimum order quantity	Volume Discount	Days to Ship	RoHS	Material	Hook Opposing Angle	Max. Load (N)	Allowable Load(Range Specification) (N)	Length During Usage L + F (mm)	Free Length L (mm)	O.D. D (Ø)	Initial Tension (N)	Standard Spring Constant (N/mm)	Wire diameter (Ø)	Max. Deflection (mm)
	1 Piece(s)	Available	8 Days or more	10	Stainless Steel (SUS304-WPB)	90°	120.62	110.01 or More	59.4	50	12	34.3	9.22	2	9.4

Product TOP

Basic Information

Type	Standard Type

Please check the type/dimensions/specifications of the part BUT12-50 in the Tension Springs - Heavy Load series.

Configure

1 Part Numbers

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Configure Remaining Specifications

Completed

Specification/Dimensions

type
- AUT
- AWF
- AWT
- BUT
- BWT
Clear
Material
- Stainless Steel (SUS304-WPB)
- SWP-A
Clear
Hook Opposing Angle
- 180°
- 90°
Clear
Max. Load(N)
6.47

8.43

8.8

11.1

14.71

20.79

23.54

31.38

33.15

41.19

49.03

77.47

83.36

120.62

154.95

195.15

236.34

281.45

430.51
Clear
Allowable Load(Range Specification)(N)
- 3.51~8.00
- 8.01~15.00
- 15.01~30.00
- 30.01~60.00
- 60.01~110.00
- 110.01 or More
Clear
Length During Usage L + F(mm)
12

12.2

17.9

18.7

18.9

19

19.5

23.7

23.9

24.6

25.2

26.4

26.7

26.9

27.1

30.3

30.8

31

31.4

31.8

33.4

34.1

34.6

35

35.2

36.5

36.9

37.3

37.8

38.3

38.4

38.5

40

40.9

41.4

41.8

42.5

42.6

43.3

43.7

44.1

45

45.8

45.9

46.6

47

47.4

48.4

50

50.2

50.6

50.7

51.4

51.9

52

52.7

53.2

54

55

55.8

57.5

57.9

58.1

58.3

58.4

58.6

58.8

59.2

59.4

60.6

61

61.6

62.5

63.3

64

64.6

65.2

65.5

66.4

66.9

68

68.2

68.5

69.2

69.3

70

70.4

70.9

71.8

72.1

72.2

73

74.5

75

75.2

75.6

76.6

76.7

76.9

77.9

78.1

78.8

79.5

80

81.9

82

82.5

83.4

83.8

84.2

84.9

85.6

87.8

89.1

89.3

90

90.3

91

91.3

91.7

92.8

93.1

94.7

95.7

95.8

96.5

96.7

97.6

97.8

101.3

103.7

104.1

107.4

107.5

108.4

108.6

109.1

109.4

114.5

116.3

116.6

120.1

121.1

121.6

122

122.1

122.4

127.5

129

146.2

147.5

152.1

152.8

153

153.4

178.5

183.8

184.2

185.5

209.4

215.6

241.2
Clear
Free Length L(mm)
10

15

20

25

30

35

40

45

50

55

60

65

70

75

80

90

100

125

150

175

200
Clear
O.D. D(Ø)
3

4

5

6

8

10

12

14

16

18

20

24
Clear
Initial Tension(N)
1.57

1.86

2.16

2.45

2.55

5.1

5.88

6.86

8.6

9.81

12.75

20.59

23.54

34.3

45.11

55.9

68.65

82.38

123.6
Clear
Standard Spring Constant(N/mm)
0.36

0.43

0.49

0.52

0.54

0.56

0.57

0.64

0.66

0.69

0.74

0.78

0.79

0.88

0.93

0.98

1.03

1.08

1.13

1.18

1.27

1.28

1.32

1.37

1.38

1.47

1.52

1.57

1.67

1.71

1.77

1.86

1.87

1.96

2.06

2.11

2.16

2.18

2.26

2.27

2.35

2.36

2.39

2.44

2.45

2.65

2.75

2.81

2.94

2.95

3.14

3.24

3.35

3.36

3.39

3.43

3.53

3.73

3.92

4.13

4.17

4.23

4.31

4.51

4.52

4.60

4.61

4.9

5.21

5.39

5.44

5.58

5.69

5.79

5.88

5.89

5.91

6.18

6.19

6.57

6.65

6.77

7.16

7.45

7.75

8.24

8.34

8.43

8.53

8.55

8.92

9.12

9.22

9.32

9.9

10.1

10.4

10.79

10.89

11.18

11.38

11.47

11.67

11.77

12.0

13.04

13.14

13.34

13.44

13.53

13.63

14.71

15.49

15.59

16.67

18.63

19.02

20.1

21.57

22.46

26.48
Clear
Wire diameter(Ø)
0.45

0.5

0.55

0.6

0.7

0.8

0.9

1

1.1

1.2

1.4

1.6

1.8

2

2.3

2.6

2.9

3.2

4
Clear
Max. Deflection(mm)
2

2.2

2.9

3.7

3.9

4

4.5

4.6

5

5.2

5.3

5.8

6

6.4

6.5

6.6

6.7

6.8

6.9

7

7.1

7.3

7.5

7.7

7.8

8.3

8.4

8.5

8.7

9

9.1

9.2

9.4

9.6

10

10.4

10.5

10.7

10.8

10.9

11

11.4

11.6

11.7

11.9

12

12.1

12.4

12.5

12.6

12.9

13

13.1

13.2

13.3

13.4

13.6

13.7

13.8

14.1

14.2

14.3

14.5

14.7

14.9

15

15.2

15.3

15.5

15.6

15.8

16

16.4

16.5

16.6

16.7

16.8

17

17.2

17.5

17.6

17.8

18

18.1

18.4

18.5

18.6

18.8

19.1

19.2

19.3

19.4

19.5

20

20.1

20.6

20.7

21.1

21.3

21.6

21.7

21.9

22

22.4

22.5

22.8

23.1

23.8

24.1

24.5

25.0

26.3

27.1

27.4

27.5

27.8

28

28.4

28.5

29

32.1

33.8

34.2

34.4

35.5

40.6

41.2

46.2
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

Same day

8 Days or Less
Clear

Specify Alterations

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Products like this...

Part Number
AUT10-40
AUT10-45
AUT10-50
BUT12-55
BUT12-60
BUT12-65

Minimum order quantity	Volume Discount	Days to Ship	RoHS	Material	Hook Opposing Angle	Max. Load (N)	Allowable Load(Range Specification) (N)	Length During Usage L + F (mm)	Free Length L (mm)	O.D. D (Ø)	Initial Tension (N)	Standard Spring Constant (N/mm)	Wire diameter (Ø)	Max. Deflection (mm)
1 Piece(s)	Available	Same day Stock	10	Stainless Steel (SUS304-WPB)	180°	77.47	60.01~110.00	48.4	40	10	20.59	6.77	1.6	8.4
1 Piece(s)	Available	8 Days or more	10	Stainless Steel (SUS304-WPB)	180°	77.47	60.01~110.00	55	45	10	20.59	5.69	1.6	10
1 Piece(s)	Available	Same day Stock	10	Stainless Steel (SUS304-WPB)	180°	77.47	60.01~110.00	61.6	50	10	20.59	4.9	1.6	11.6
1 Piece(s)	Available	8 Days or more	10	Stainless Steel (SUS304-WPB)	90°	120.62	110.01 or More	65.5	55	12	34.3	8.24	2	10.5
1 Piece(s)	Available	8 Days or more	10	Stainless Steel (SUS304-WPB)	90°	120.62	110.01 or More	72.1	60	12	34.3	7.16	2	12.1
1 Piece(s)	Available	8 Days or more	10	Stainless Steel (SUS304-WPB)	90°	120.62	110.01 or More	78.1	65	12	34.3	6.57	2	13.1

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Tension Springs - Heavy Load (BUT12-50)

(i)Caution

Specifications

Part Number

Basic Information

Configure

Specification/Dimensions

type

Material

Hook Opposing Angle

Max. Load(N)

Allowable Load(Range Specification)(N)

Length During Usage L + F(mm)

Free Length L(mm)

O.D. D(Ø)

Initial Tension(N)

Standard Spring Constant(N/mm)

Wire diameter(Ø)

Max. Deflection(mm)

CAD

Days to Ship

Specify Alterations

Products like this...

Additional Products in this Category

Complementary Products

MISUMI Unit Example related to this product

Tech Support

About This Website

About MISUMI Corporation

Contact us Monday to Friday: 8:00 am to 6:00 pm (Mexico City time)