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Kindly be informed that it will be peak period in conjunction with the Chinese New Year festive season. Delivery pickup upon 25 January 2025 estimated would arrive after CNY holidays. Please expect slight delay for orders shipped during this peak season and we thank you for your kind understanding. [Details]
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Tension Spring - Heavy Load Type [RoHS Comliant]

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Volume Discount

MISUMI

MiSUMi Economy

MISUMI

＼RoHS10-compliant products are newly released. / The bulk-purchase may save up to 80% for MISUMI’s similar products.
MISUMI's low-priced new brand [Economy Series] Sequentially expanding product lineup. See "Product Lineup" for the special feature page. Product Lineup

(i)Caution

This product can be purchased in quantities of 10 pcs. Please enter your order quantity in multiples of 10. * Minimum order quantity (20 pcs. or more)
Stainless Steel Spring is magnetic.
If the order quantity is 200 or more, the product may be delivered in excess quantity. Thank you for your understanding.
The price list on this page is as of March 2024. For the latest price, please click the "Confirm Price" button after confirming the part number.

Part Number

Configured Part Number is shown.

Drawing/Specifications
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Part Numbers

Product Overview

■Product comparison information
♢ Economy series tension springs are manufactured overseas, resulting in significant cost reductions.
♢ Economy series tension springs are standardized to maintain the maximum load constantly to the same diameter. Initial tension and spring constant are for reference only.
♢ E-GAU□ is a stainless steel spring, but it is magnetic. Please be careful.

■Specification Comparison with MISUMI’s Similar Products

Item	MISUMI's Similar Products AUT	Economy Series E-GAUT
Service Life	1 million times	700,000 times or more
Manufactured	In Japan	Outside of Japan
RoHS10	Compliant	Compliant

Dimensional Drawing

Free Length L ±1.0

Type	[M] Material
E-GAWT	SWP-B
E-GAUT	SUS304-WPB

Specification Table

■ Heavy Load Type

Part Number			Wire Dia. d mm	Dynamic Load		Initial Tension N (Reference Value)	Spring Constant N/mm (Reference Value)
Type	D	L	Wire Dia. d mm	Max. Deflection Fmax. mm	Max. Load N	Initial Tension N (Reference Value)	Spring Constant N/mm (Reference Value)
E-GAWT (SWP-B) E-GAUT (SUS304-WPB)	3	10	0.5	2.0	8.80	2.16	3.24
		15		3.7			1.77
		25		6.8			0.98
	4	15	0.6	4.0	11.10	2.55	2.16
	4	20	0.6	6.4	11.10	2.55	1.37
	5	15	0.8	2.9	20.79	5.10	5.39
		20		4.6			3.43
		25		6.4			2.45
		30		8.4			1.86
		35		10.0			1.57
	6	20	1.0	3.7	33.15	8.60	6.57
		25		5.3			4.61
		30		6.9			3.53
		35		8.3			2.94
		40		10.0			2.45
		55		14.3			1.71
	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
		50		15.5			2.06
		60		18.8			1.67
	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			4.90
	12	(40)	2.0	6.6	120.62	34.30	13.04
		(45)		7.7			11.18
		(50)		9.4			9.22
	14	(60)	2.3	10.9	154.95	45.11	19.02

[ ! ] () can only be selected for E-GAWT.
[ ! ] Load {kgf} = Load N × 0.101972
[!] Initial tension, spring constant, and number of coils are for reference only. There may be some variations depending on the lot.
" ! " How to Determine the Number of Winding (Reference Value): Total Coils = [L - 2(D - d)]/d
" ! " How to Determine the Active Number of Winding (Reference Value): Number of active coils = total coils - 2

■Max. Load N

O.D.	E-GAWA	E-GAWY	E-GAWU	E-GAWS	E-GAWF	E-GAWT	E-GWAWT
D	E-GAUA	E-GAUY	E-GAUU	E-GAUS		E-GAUT
2	0.69	1.86	2.45
3	1.27	2.25	3.33	4.41	6.47	8.80
4	2.26	3.24	4.81	6.37	8.43	11.10
5	3.24	4.22	6.37	8.53	14.71	20.79	20.79
6	6.08	8.14	12.94	17.26	23.54	33.15	33.15
8	8.53	12.75	18.63	24.52	31.38	41.19	41.19
10		15.00	23.24	30.99	49.03	77.47	77.47
12		31.37	47.7	62.76		120.62	120.62
14		38.24		74.53		154.95	154.95
16		43.15
20		78.45		150.04
For the product page, see here →	Extra Light Load / Light Load Type		Light Medium Load / Medium Load / Medium Heavy Load Type			Heavy Load Type	Heavy Load Double Hook Type

Note

[Cautions for Use]
▶Operating Temperature
SWP-B:: Ambient Temperature (0 to 40°C)
Stainless Steel:: -10 to 100°C
* Load value attenuates when tension springs are used in temperature higher than above, although it depends on other conditions.
* If this product is to be used in environments with extreme temperature difference or humidity such as outdoors, stainless steel is recommended.

▶Standard Usage Count: Approximately 700,000 times
* The above numbers are for reference only. The usage count may vary depending on the direction of tension, operating temperature/environment, and deformation amount.
It is recommended to use the springs within 70 % of allowable deflection F max.(mm).

▶Others
· Use the springs within the range of the allowable deflection F max.(mm). Using at higher than the allowable deflection values may cause deformation or failure.
Also, do not extend tension springs more than its allowable deflection during the installation.
· Stainless Steel Spring is magnetic. Please be careful.

Combination Table of Tension Spring and Post for Tension Spring

Please use this as a reference for combining extension spring and post for tension spring.
The following is a reference for combinations. Please check the strength of post for tension spring depending on the usage conditions.
　◎ = Recommended
　○= Available but difficult to pass through
× = Unavailable
[Economy Series]Tension Spring - Heavy Load Type

Unit (mm)
Type	Tension Spring D Dimension	Posts for Tension Springs D Dim.	Economy Series Post for Tension Spring
			Hole	Groove Type
			C-AIPO	C-BSPO
E-GAWT E-GAUT	3	3	◎	×
	4	3	◎	×
	4	4	○	×
	5	4	◎	×
	5	5	◎	×
	6	4	◎	◎
		5	◎	×
		6	×	×
	8	5	◎	◎
		6	◎	×
		8	×	×
	10	6	◎	◎
	10	8	×	×
	12	8	×	◎
	14	8	×	◎

Part Number

CAD Data download and 3D preview are not available because the part number has not yet been determined.

*In order to open the CAD Data download and 3D preview screen, the part number must be fixed.
Please confirm the part number from "Specification / Dimension"on the left side, and then perform the CAD Data Download / 3D Preview operation.

CAD Download

: 30; 45; 60

Part Number
E-GAWT3-10
E-GAWT3-15
E-GAWT3-25
E-GAWT4-15
E-GAWT4-20
E-GAWT5-15
E-GAWT5-20
E-GAWT5-25
E-GAWT5-30
E-GAWT5-35
E-GAWT6-20
E-GAWT6-25
E-GAWT6-30
E-GAWT6-35
E-GAWT6-40
E-GAWT6-55
E-GAWT8-25
E-GAWT8-30
E-GAWT8-35
E-GAWT8-40
E-GAWT8-50
E-GAWT8-60
E-GAWT10-30
E-GAWT10-35
E-GAWT10-40
E-GAWT10-45
E-GAWT10-50
E-GAWT12-40
E-GAWT12-45
E-GAWT12-50
E-GAWT14-60

Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	Free Length L (mm)	Outer Dia. D (Ø)	Allowable Load (Configurable Range) (N)	Wire Dia. (Ø)	Material	Length of Spring Used L+F (mm)	Max. Load (N)	Initial Tension (N)	Max. Deflection (mm)	Material Certificate: Material
MYR 3.28	20 Piece(s)	Available	4 Day(s) or more	10	3	8.01~15.00	0.5	SWP-B	12	8.8	2.16	2	SWP-B
MYR 3.28	20 Piece(s)	Available	4 Day(s) or more	15	3	8.01~15.00	0.5	SWP-B	18.7	8.8	2.16	3.7	SWP-B
MYR 3.28	20 Piece(s)	Available	4 Day(s) or more	25	3	8.01~15.00	0.5	SWP-B	31.8	8.8	2.16	6.8	SWP-B
MYR 4.38	20 Piece(s)	Available	4 Day(s) or more	15	-	8.01~15.00	0.6	SWP-B	19	11.1	2.55	4	SWP-B
MYR 4.38	20 Piece(s)	Available	4 Day(s) or more	20	-	8.01~15.00	0.6	SWP-B	26.4	11.1	2.55	6.4	SWP-B
MYR 4.01	20 Piece(s)	Available	4 Day(s) or more	15	5	15.01~30.00	0.8	SWP-B	17.9	20.79	5.1	2.9	SWP-B
MYR 4.01	20 Piece(s)	Available	4 Day(s) or more	20	5	15.01~30.00	0.8	SWP-B	24.6	20.79	5.1	4.6	SWP-B
MYR 5.11	20 Piece(s)	Available	4 Day(s) or more	25	5	15.01~30.00	0.8	SWP-B	31.4	20.79	5.1	6.4	SWP-B
MYR 5.11	20 Piece(s)	Available	4 Day(s) or more	30	5	15.01~30.00	0.8	SWP-B	38.4	20.79	5.1	8.4	SWP-B
MYR 5.11	20 Piece(s)	Available	4 Day(s) or more	35	5	15.01~30.00	0.8	SWP-B	-	20.79	5.1	10	SWP-B
MYR 5.11	20 Piece(s)	Available	4 Day(s) or more	20	6	30.01~60.00	1	SWP-B	23.7	33.15	8.6	3.7	SWP-B
MYR 5.11	20 Piece(s)	Available	4 Day(s) or more	25	6	30.01~60.00	1	SWP-B	30.3	33.15	8.6	5.3	SWP-B
MYR 5.11	20 Piece(s)	Available	4 Day(s) or more	30	6	30.01~60.00	1	SWP-B	36.9	33.15	8.6	6.9	SWP-B
MYR 5.11	20 Piece(s)	Available	4 Day(s) or more	35	6	30.01~60.00	1	SWP-B	43.3	33.15	8.6	8.3	SWP-B
MYR 5.11	20 Piece(s)	Available	4 Day(s) or more	40	6	30.01~60.00	1	SWP-B	-	33.15	8.6	10	SWP-B
MYR 7.30	20 Piece(s)	Available	4 Day(s) or more	55	6	30.01~60.00	1	SWP-B	69.3	33.15	8.6	14.3	SWP-B
MYR 5.11	20 Piece(s)	Available	4 Day(s) or more	25	8	30.01~60.00	1.2	SWP-B	30.3	41.19	9.81	5.3	SWP-B
MYR 5.11	20 Piece(s)	Available	4 Day(s) or more	30	8	30.01~60.00	1.2	SWP-B	-	41.19	9.81	7.3	SWP-B
MYR 5.11	20 Piece(s)	Available	4 Day(s) or more	35	8	30.01~60.00	1.2	SWP-B	44.1	41.19	9.81	9.1	SWP-B
MYR 5.11	20 Piece(s)	Available	4 Day(s) or more	40	8	30.01~60.00	1.2	SWP-B	51.9	41.19	9.81	11.9	SWP-B
MYR 5.47	20 Piece(s)	Available	4 Day(s) or more	50	8	30.01~60.00	1.2	SWP-B	65.5	41.19	9.81	15.5	SWP-B
MYR 7.30	20 Piece(s)	Available	4 Day(s) or more	60	8	30.01~60.00	1.2	SWP-B	78.8	41.19	9.81	18.8	SWP-B
MYR 5.47	20 Piece(s)	Available	4 Day(s) or more	30	10	60.01~110.00	-	SWP-B	35.2	77.47	20.59	5.2	SWP-B
MYR 5.47	20 Piece(s)	Available	4 Day(s) or more	35	10	60.01~110.00	-	SWP-B	-	77.47	20.59	6.8	SWP-B
MYR 5.47	20 Piece(s)	Available	4 Day(s) or more	40	10	60.01~110.00	-	SWP-B	48.4	77.47	20.59	8.4	SWP-B
MYR 6.57	20 Piece(s)	Available	4 Day(s) or more	45	10	60.01~110.00	-	SWP-B	55	77.47	20.59	10	SWP-B
MYR 6.57	20 Piece(s)	Available	4 Day(s) or more	50	10	60.01~110.00	-	SWP-B	61.6	77.47	20.59	11.6	SWP-B
MYR 6.57	20 Piece(s)	Available	4 Day(s) or more	40	12	110.01~	2	SWP-B	-	120.62	34.3	6.6	SWP-B
MYR 6.57	20 Piece(s)	Available	4 Day(s) or more	45	12	110.01~	2	SWP-B	52.7	120.62	34.3	7.7	SWP-B
MYR 6.57	20 Piece(s)	Available	4 Day(s) or more	50	12	110.01~	2	SWP-B	59.4	120.62	34.3	9.4	SWP-B
MYR 7.30	20 Piece(s)	Available	4 Day(s) or more	60	14	110.01~	2.3	SWP-B	70.9	154.95	45.11	10.9	SWP-B

Basic Information

Material Certificate	Available

Configure

31 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Free Length L(mm)
10

15

20

25

30

35

40

45

50

55

60
Clear
Outer Dia. D(Ø)
3

5

6

8

10

12

14
Clear
Allowable Load (Configurable Range)(N)
- 8.01~15.00
- 15.01~30.00
- 30.01~60.00
- 60.01~110.00
- 110.01~
Clear
Wire Dia.(Ø)
0.5

0.6

0.8

1

1.2

2

2.3
Clear
Length of Spring Used L+F(mm)
12

17.9

18.7

19

23.7

24.6

26.4

30.3

31.4

31.8

35.2

36.9

38.4

43.3

44.1

48.4

51.9

52.7

55

59.4

61.6

65.5

69.3

70.9

78.8
Clear
Max. Load(N)
8.8

11.1

20.79

33.15

41.19

77.47

120.62

154.95
Clear
Initial Tension(N)
2.16

2.55

5.1

8.6

9.81

20.59

34.3

45.11
Clear
Max. Deflection(mm)
2

2.9

3.7

4

4.6

5.2

5.3

6.4

6.6

6.8

6.9

7.3

7.7

8.3

8.4

9.1

9.4

10

10.9

11.6

11.9

14.3

15.5

18.8
Clear
type
- E-GAUT
- E-GAWT
Clear
Material
- SWP-B
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

4 Day(s) or Less
Clear

Specify Alterations

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

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Tension Spring - Heavy Load Type [RoHS Comliant]

(i)Caution

Product Overview

Dimensional Drawing

Part Number

Basic Information

Configure

Specification/Dimensions

Free Length L(mm)

Outer Dia. D(Ø)

Allowable Load (Configurable Range)(N)

Wire Dia.(Ø)

Length of Spring Used L+F(mm)

Max. Load(N)

Initial Tension(N)

Max. Deflection(mm)

type

Material

CAD

Days to Ship

Specify Alterations

Additional Products in this Category

Tech Support

Payment Method

About MISUMI

About this Website

Useful Tools

Customer Service

Social Media

MISUMI Contact 9am – 6pm (Mon – Fri) * Order cut-off time is 5pm, 9am – 1pm(Sat) * Order cut-off time is 12pm