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Part Number Complete

SHD-UR20-25

type Free Length L Outer Dia. D (or D1) Spring Constant Allowable Load (Configurable Range) Max. Load Wire Dia. Solid Length Cleaning Method Allowable Displacement End Face State Maximum Height when Loaded (Free Length, Allowable Deflection) CAD Days to Ship

Specification/Dimensions

type
- SH-UF
- SH-UR
- SH-UV
- SH-UY
- SHD-UF
- SHD-UR
- SHD-UV
- SHD-UY
- SL-UF
- SL-UR
- SL-UV
- SL-UY
Clear
Free Length L(mm)
5

10

15

20

25

30

35

40

45

50

60

70

80
Clear
Outer Dia. D (or D1)(Ø)
2

3

4

5

6

8

10

12

13

16

20
Clear
Spring Constant(N/mm)
0.05

0.098

0.2

0.29

0.3

0.49

0.5

0.98
Clear
Allowable Load (Configurable Range)(N)
- ~1.50
- 1.51~4.50
- 4.51~8.50
- 8.51~16.00
- 16.01~30.00
- 30.01~50.00
Clear
Max. Load(N)
0.15

0.18

0.29

0.34

0.35

0.37

0.44

0.49

0.53

0.59

0.66

0.7

0.74

0.88

0.9

0.98

1.05

1.1

1.18

1.23

1.3

1.4

1.47

1.5

1.58

1.75

1.77

1.8

1.84

2

2.06

2.2

2.206

2.21

2.26

2.5

2.55

2.6

2.7

2.9

2.94

2.942

3.2

3.3

3.33

3.43

3.5

3.53

3.68

4

4.4

4.41

5.1

5.15

5.3

5.49

5.5

5.88

5.9

6.2

6.3

6.6

6.62

6.7

7.1

7.35

7.4

7.6

7.65

7.7

7.8

7.9

8.8

8.83

8.9

9.8

9.9

10

10.3

10.6

10.8

11.03

11.1

11.2

11.6

11.77

11.8

12.4

12.7

13.2

13.24

13.4

14.1

14.7

15.45

15.5

17.65

17.7

19.9

20.6

22.1

23.5

26.5

30.9

35.3
Clear
Wire Dia.(Ø)
0.13

0.15

0.16

0.18

0.2

0.23

0.25

0.26

0.29

0.3

0.32

0.35

0.38

0.4

0.45

0.5

0.55

0.6

0.65

0.7

0.75

0.8

0.85

0.9

1

1.1

1.2

1.3

1.4

1.5

1.6

1.7
Clear
Solid Length(mm)
0.92

1.05

1.1

1.15

1.2

1.24

1.4

1.5

1.6

1.65

1.7

1.8

1.82

1.84

1.9

2

2.01

2.1

2.19

2.2

2.35

2.5

2.6

2.64

2.7

2.71

2.86

2.9

3

3.15

3.2

3.25

3.3

3.4

3.45

3.5

3.6

3.61

3.75

3.85

4.16

4.2

4.3

4.4

4.5

4.6

4.64

4.7

4.9

4.95

5

5.2

5.32

5.4

5.44

5.53

5.6

5.9

6

6.1

6.15

6.2

6.24

6.3

6.4

6.5

6.8

7

7.2

7.35

7.43

7.5

7.7

7.75

7.8

8

8.25

8.3

8.4

8.45

8.5

9.1

9.3

9.5

9.6

9.8

10.4

10.5

10.8

11

11.2

11.9

12

12.1

12.25

12.4

12.7

12.8

13.5

13.6

14

14.3

14.4

14.45

15.2

15.4

15.5

15.6

15.8

16.2

17

17.4

18

18.4

19

19.5

19.53

19.6

20.4

20.8

21

21.5

22.6

23

23.1

23.4

26

26.4

27

27.6

27.95

28

30

30.8

35

39.6
Clear
Cleaning Method
- Degreasing
- Precision Cleaning
- Electrolytic Polishing + Precision Cleaning
Clear
Allowable Displacement(mm)
2.25

2.5

3

3.5

3.75

4.5

5

6

6.7

6.75

7.5

9

10

10.5

11.2

11.25

11.3

12

12.5

13.5

15

15.7

15.75

15.8

18

18.75

20

20.25

20.3

21

22

22.5

22.52

24

26.25

27

30

31

31.5

33.75

35

36

37.5

40

42

45

48

52.5

60
Clear
End Face State
- No Grinding
- With Grinding
Clear
Maximum Height when Loaded (Free Length, Allowable Deflection)(mm)
1.25

1.5

2

2.5

2.75

3.75

4

4.5

5

5.5

6

6.25

7.5

8

8.25

8.3

8.75

10

11

11.25

12

12.5

13.7

13.75

13.8

14

15

16

16.5

17.5

18

19.2

19.25

19.3

20

22

23

24

24.7

24.75

25

27.5

28

29

30

32

33

38.5

44
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

9 Day(s) or Less

10 Day(s) or Less
Clear

Specify Alterations

[Cleaned & Packaged] Round Wire Coil Spring - O.D. Referenced, Stainless Steel, UY/UR/UF (SHD-UR20-25)

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(i)
Caution

Cleaning also removes rust prevention oil, which may make the product more susceptible to rusting than an uncleaned product.
Please be careful about the application location and storage environment.

Product Description

Three types of cleaning methods are available: degreasing, precision cleaning, and electrolytic polishing + precision cleaning. They can be ordered from one piece with the standard part number. This eliminates the need for customer cleaning or outsourced cleaning, reducing the amount of time and effort required.

■Notes
Cleaning also removes rust prevention oil, which may make the product more susceptible to rusting than an uncleaned product.
Please be careful about the application location and storage environment.

O.D. D

ø10 or Less 0 0.5 mm
ø12 or More 0 -0.8 mm

Free Length L

50 or Less ±1.5 mm
55 or More ±2.5 mm

Closed Ends (Both Ends Not Ground*)

Closed Ends (Both Ends Ground)

Type				Body Material	Cleaning Method
Max. Deflection (Fmax.)				Body Material	Cleaning Method
F = L × 70%	F = L × 75%	F = L × 60%	F = L × 45%	[M] Material	Cleaning Method	Cleaning Environment	Packaging Type	Packing Environment
SL-UV	SL-UY	SL-UR	SL-UF	SUS304−WPB (Spring constant ±10%)	Degreasing	General environment	Anti-rust packing	General environment
SH-UV	SH-UY	SH-UR	SH-UF		Precision cleaning	Class 1,000	Degassing double packing	Class 10
SHD-UV	SHD-UY	SHD-UR	SHD-UF		Electrolytic polishing + precision cleaning	Class 1,000	Degassing double packing	Class 10

[!] Maximum deflection differs from above for some sizes. See the specification table for details.
[ ! ] Products are packed by order quantity. Ex. If the order is for 20 pieces, they are packed in one package (incl. 20 pieces).
[ ! ] See the details of degreasing, precision cleaning, and electrolytic polishing shown at the bottom of the

specification table.

Specification Table

Part Number

SL-UY4-25

SH-UR13-60

SHD-UF8-70

■UV: Fmax. (allowable deflection) = L × Fa%

Part Number			d	Solid Length (Reference Value)	F max.	N{kgf} max.	Fa%
Type	D−L		d	Solid Length (Reference Value)	F max.	N{kgf} max.	Fa%
SL-UV SH-UV SHD-UV	3−	5	0.15	1.1	4	0.18 {0.018}	70
		10	0.18	2.5	7	0.35 {0.036}
		15	0.18	2.5	11	0.53 {0.054}
		20	0.20	3.3	14	0.70 {0.071}
		25	0.23	6.2	18	0.88 {0.089}
		30	0.23	6.2	21	1.05 {0.107}
	4−	5	0.18	1.2	4	0.18 {0.018}
		10	0.20	1.7	7	0.35 {0.036}
		15	0.23	3.0	11	0.53 {0.054}
		20	0.23	3.0	14	0.70 {0.071}
		25	0.26	4.9	18	0.88 {0.089}
		30	0.26	4.9	21	1.05 {0.107}
	5−	5	0.20	1.2	4	0.18 {0.018}
		10	0.23	1.8	7	0.35 {0.036}
		15	0.26	2.9	11	0.53 {0.054}
		20	0.29	4.5	14	0.70 {0.071}
		25	0.29	4.5	18	0.88 {0.089}
		30	0.29	4.5	21	1.05 {0.107}
	6−	10	0.26	2.0	7	0.35 {0.036}
		15	0.30	3.3	11	0.53 {0.054}
		20	0.30	3.3	14	0.70 {0.071}
		25	0.35	6.5	18	0.88 {0.089}
		30	0.35	6.5	21	1.05 {0.107}
		35	0.35	6.5	25	1.23 {0.125}
		40	0.35	6.5	28	1.40 {0.143}
	8−	10	0.30	1.9	7	0.35 {0.036}
		15	0.35	3.2	11	0.53 {0.054}
		20	0.35	3.2	14	0.70 {0.071}
		25	0.40	5.6	18	0.88 {0.089}
		30	0.40	5.6	21	1.05 {0.107}
		35	0.40	5.6	25	1.23 {0.125}
		40	0.45	9.3	28	1.40 {0.143}
		45	0.45	9.3	32	1.58 {0.161}
		50	0.45	9.3	35	1.75 {0.179}
	10−	10	0.35	2.2	7	0.35 {0.036}
		15	0.40	3.4	11	0.53 {0.054}
		20	0.40	3.4	14	0.70 {0.071}
		25	0.45	5.4	18	0.88 {0.090}
		30	0.45	5.4	21	1.05 {0.107}
		35	0.50	8.4	25	1.23 {0.125}
		40	0.50	8.4	28	1.40 {0.143}
		45	0.55	12.8	32	1.58 {0.161}
		50	0.55	12.8	35	1.75 {0.179}

[!] Both ends of UV, UY Type springs are not ground. [!] Usage Count: 1 million times

■UY: Fmax. (allowable deflection) = L × Fa%

Part Number		d	Solid Length (Reference Value)	F max.	N{kgf} max.	Fa%
Type	D−L	d	Solid Length (Reference Value)	F max.	N{kgf} max.	Fa%
SL-UY SH-UY SHD-UY	2-5	0.13	1.5	3	0.15 {0.015}	60
	10	0.13	1.5	6	0.29 {0.03}
	15	0.15	2.7	9	0.44 {0.045}
	20	0.15	2.7	12	0.59 {0.06}
	25	0.18	6.3	15	0.74 {0.075}
	30	0.18	6.3	18	0.88 {0.09}
	3-5	0.16	0.92	3.75	0.37 {0.0375}	75
	10	0.2	2	7.5	0.74 {0.075}
	15	0.23	3.45	11.25	1.10 {0.1125}
	20	0.23	3.45	15	1.47 {0.15}
	25	0.26	6.24	15	1.47 {0.15}	60
	30	0.26	6.24	18	1.77 {0.18}	60
	4-5	0.2	1.05	3.75	0.37 {0.0375}	75
	10	0.23	1.84	7.5	0.74 {0.075}
	15	0.26	2.86	11.25	1.10 {0.1125}
	20	0.29	4.64	15	1.47 {0.15}
	25	0.3	5.4	18.75	1.84 {0.1875}
	30	0.3	5.4	22.5	2.26 {0.23}
	5-5	0.23	1.15	3.75	0.37 {0.0375}	75
	10	0.26	1.82	7.5	0.74 {0.075}
	15	0.3	3.15	11.25	1.10 {0.1125}
	20	0.3	3.15	15	1.47 {0.15}
	25	0.32	4.16	18.75	1.84 {0.1875}
	30	0.32	4.16	22.5	2.26 {0.23}
	35	0.35	6	26.25	2.55 {0.26}
	40	0.35	6	30	2.94 {0.3}

Part Number		d	Solid Length (Reference Value)	F max.	N{kgf} max.	Fa%
Type	D−L	d	Solid Length (Reference Value)	F max.	N{kgf} max.	Fa%
SL-UY SH-UY SHD-UY	6-5	0.26	1.24	3.5	0.34 {0.035}	70
	10	0.3	2.1	7.5	0.74 {0.075}	75
	15	0.32	2.64	11.25	1.10 {0.1125}
	20	0.35	3.85	15	1.47 {0.15}
	25	0.38	5.32	18.75	1.84 {0.1875}
	30	0.4	6.8	22.5	2.21 {0.225}
	35	0.4	6.8	26.25	2.55 {0.26}
	40	0.4	6.8	30	2.94 {0.3}
	8-10	0.35	2.19	7.5	0.74 {0.075}	75
	15	0.4	3.4	11.25	1.10 {0.1125}
	20	0.4	3.4	15	1.47 {0.15}
	25	0.45	5.4	18.75	1.84 {0.1875}
	30	0.45	5.4	22.5	2.21 {0.225}
	35	0.5	8.3	26.25	2.55 {0.26}
	40	0.5	8.3	30	2.94 {0.3}
	45	0.5	8.3	33.75	3.33 {0.34}
	50	0.55	12.7	35	3.43 {0.35}	70
	10-10	0.5	3.25	6	1.18 {0.12}	60
	15	0.5	3.25	11.25	2.21 {0.225}	75
	20	0.55	4.4	15	2.94 {0.3}
	25	0.55	4.4	18.75	3.68 {0.375}
	30	0.6	6.15	22.5	4.41 {0.45}
	35	0.6	6.3	26.25	5.10 {0.52}
	40	0.6	6.3	30	5.88 {0.6}
	45	0.65	8.45	33.75	6.62 {0.675}
	50	0.65	8.45	37.5	7.35 {0.75}
	12-15	0.55	3.3	11.25	2.206 {0.225}	75
	20	0.55	3.3	15	2.942 {0.3}
	25	0.6	4.2	18.75	3.68 {0.375}
	30	0.65	5.53	22.5	4.41 {0.45}
	35	0.65	5.53	26.25	5.15 {0.525}
	40	0.7	7.35	30	5.88 {0.6}
	45	0.7	7.35	33.75	6.62 {0.675}
	50	0.7	7.35	37.5	7.35 {0.75}
	60	0.8	13.6	45	8.83 {0.9}
	70	0.8	13.6	52.5	10.30 {1.05}
	80	0.8	13.6	60	11.77 {1.2}
	13-15	0.6	3.75	10.5	2.06 {0.21}	70
	20	0.6	3.75	15	2.94 {0.3}	75
	25	0.65	4.9	18.75	3.68 {0.375}
	30	0.65	4.9	22.5	4.41 {0.45}
	35	0.7	6.3	26.25	5.15 {0.525}
	40	0.75	8.25	30	5.88 {0.6}
	45	0.75	8.25	33.75	6.62 {0.675}
	50	0.8	11.2	37.5	7.35 {0.75}
	60	0.8	11.2	45	8.83 {0.9}
	70	0.85	14.45	52.5	10.30 {1.05}
	80	0.85	14.45	60	11.77 {1.2}
	16-15	0.7	4.2	9	1.77 {0.18}	60
	20	0.7	4.2	15	2.94 {0.3}	75
	25	0.7	4.2	18.75	3.68 {0.375}
	30	0.75	5.44	22.5	4.41 {0.45}
	35	0.8	6.8	26.25	5.15 {0.525}
	40	0.8	6.8	30	5.88 {0.6}
	45	0.85	8.5	33.75	6.62 {0.675}
	50	0.9	10.8	37.5	7.35 {0.75}
	60	0.9	10.8	45	8.83 {0.9}
	70	1	17	52.5	10.30 {1.05}
	80	1	17	60	11.77 {1.2}
	20-20	0.9	5.4	12	3.53 {0.36}	60
	25	0.9	5.4	18.75	5.49 {0.56}	75
	30	0.9	5.4	22.5	6.62 {0.675}
	35	1	7.5	26.25	7.65 {0.78}
	40	1	7.5	30	8.83 {0.9}
45	1	7.5	33.75	9.90 {1.01}
50	1.1	11	37.5	11.03 {1.125}
60	1.1	11	45	13.24 {1.35}
70	1.2	15.6	52.5	15.45 {1.58}
80	1.2	15.6	60	17.65 {1.8}

[ ! ] Both ends of UY Type springs are not ground.
[!] Usage Count: 1 million times

■UR: Fmax. (allowable deflection) = L × Fa%

Part Number		d	Solid Length (Reference Value)	F max.	N{kgf} max.	Fa%
Type	D−L	d	Solid Length (Reference Value)	F max.	N{kgf} max.	Fa%
SL-UR SH-UR SHD-UR	2-5	0.18	2	2.5	0.49 {0.05}	50
	10	0.18	2	5	0.98 {0.1}
	15	0.23	6	7.5	1.5 {0.15}
	20	0.23	6	10	2.0 {0.2}
	25	0.26	11.2	12.5	2.5 {0.25}
	30	0.26	11.2	15	2.9 {0.3}
	3-5	0.23	1.6	3	0.9 {0.09}	60
	10	0.25	2.1	6	1.8 {0.18}
	15	0.3	4.5	9	2.6 {0.27}
	20	0.3	4.5	12	3.5 {0.36}
	25	0.32	6.4	15	4.4 {0.45}
	30	0.32	6.4	18	5.3 {0.54}
	35	0.35	9.8	21	6.2 {0.63}
	40	0.35	9.8	24	7.1 {0.72}
	4-5	0.26	1.4	3	0.9 {0.09}	60
	10	0.29	2	6	1.8 {0.18}
	15	0.32	3	9	2.6 {0.27}
	20	0.38	6.1	12	3.5 {0.36}
	25	0.38	6.1	15	4.4 {0.45}
	30	0.4	8	18	5.3 {0.54}
	35	0.4	8	21	6.2 {0.63}
	40	0.45	14.4	24	7.1 {0.72}
	45	0.45	14.4	27	7.9 {0.81}
	50	0.45	14.4	30	8.8 {0.9}
	60	0.5	23	36	10.6 {1.08}
	5-5	0.3	1.65	3	0.9 {0.09}	60
	10	0.35	2.71	6	1.8 {0.18}
	15	0.38	3.61	9	2.6 {0.27}
	20	0.38	3.61	12	3.5 {0.36}
	25	0.45	7.43	15	4.4 {0.45}
	30	0.45	7.43	18	5.3 {0.54}
	35	0.5	12.25	21	6.2 {0.63}
	40	0.5	12.25	24	7.1 {0.72}
	45	0.5	12.25	27	7.9 {0.81}
	50	0.55	19.53	30	8.8 {0.9}
	60	0.55	19.53	36	10.6 {1.08}
	6-5	0.32	1.5	3	0.9 {0.09}	60
	10	0.4	3	6	1.8 {0.18}
	15	0.4	3	9	2.6 {0.27}
	20	0.5	7	12	3.5 {0.36}
	25	0.5	7	15	4.4 {0.45}
	30	0.5	7	18	5.3 {0.54}
	35	0.55	11	21	6.2 {0.63}
	40	0.55	11	24	7.1 {0.72}
	45	0.6	17.4	27	7.9 {0.81}
	50	0.6	17.4	30	8.8 {0.9}
	60	0.65	23.4	36	10.6 {1.08}
	70	0.65	23.4	42	12.4 {1.26}
	8-10	0.45	2.6	6	1.8 {0.18}	60
	15	0.5	3.6	9	2.6 {0.27}
	20	0.5	3.6	12	3.5 {0.36}
	25	0.55	5.9	15	4.4 {0.45}
	30	0.65	10.4	18	5.3 {0.54}
	35	0.65	10.4	21	6.2 {0.63}
	40	0.7	15.4	24	7.1 {0.72}
	45	0.75	21	22	6.3 {0.66}	50
	50	0.75	21	27	7.8 {0.81}	55
	60	0.8	27.6	31	8.9 {0.93}	52
	70	0.8	27.6	40	11.6 {1.20}	57
	80	0.8	27.6	48	14.1 {1.44}	60

Part Number		d	Solid Length (Reference Value)	F max.	N{kgf} max.	Fa%
Type	D−L	d	Solid Length (Reference Value)	F max.	N{kgf} max.	Fa%
SL-UR SH-UR SHD-UR	10-10	0.55	3.3	6	1.8 {0.18}	60
	15	0.6	4.2	9	2.6 {0.27}
	20	0.65	6.2	12	3.5 {0.36}
	25	0.65	6.2	15	4.4 {0.45}
	30	0.7	8.4	18	5.3 {0.54}
	35	0.7	8.4	21	6.2 {0.63}
	40	0.7	8.4	24	7.1 {0.72}
	45	0.8	15.2	27	7.9 {0.81}
	50	0.8	15.2	30	8.8 {0.9}
	60	0.85	20.4	36	10.6 {1.08}
	70	0.85	20.4	42	12.4 {1.26}
	80	0.85	20.4	48	14.1 {1.44}
	12-15	0.6	3.5	9	2.6 {0.27}	60
	20	0.7	5.6	12	3.5 {0.36}
	25	0.7	5.6	15	4.4 {0.45}
	30	0.8	9.6	18	5.3 {0.54}
	35	0.8	9.6	21	6.2 {0.63}
	40	0.8	9.6	24	7.1 {0.72}
	45	0.9	16.2	27	7.9 {0.81}
	50	0.9	16.2	30	8.8 {0.9}
	60	0.9	16.2	36	10.6 {1.08}
	70	1	26	42	12.4 {1.26}
	80	1	26	48	14.1 {1.44}
	13-15	0.7	4.7	9	2.6 {0.27}	60
	20	0.7	4.7	12	3.5 {0.36}
	25	0.8	8	15	4.4 {0.45}
	30	0.8	8	18	5.3 {0.54}
	35	0.8	8	21	6.2 {0.63}
	40	0.9	12.8	24	7.1 {0.72}
	45	0.9	12.8	27	7.9 {0.81}
	50	0.9	12.8	30	8.8 {0.9}
	60	1	21	36	10.6 {1.08}
	70	1	21	42	12.4 {1.26}
	80	1	21	48	14.1 {1.44}
	16-15	0.75	4.3	9	2.6 {0.27}	60
	20	0.8	5.4	12	3.5 {0.36}
	25	0.9	7.7	15	4.4 {0.45}
	30	0.9	7.7	18	5.3 {0.54}
	35	1	12	21	6.2 {0.63}
	40	1	12	24	7.1 {0.72}
	45	1	12	27	7.9 {0.81}
	50	1.1	19	30	8.8 {0.9}
	60	1.1	19	36	10.6 {1.08}
	70	1.2	26.4	42	12.4 {1.26}
	80	1.2	26.4	48	14.1 {1.44}
	20-20	1	6	12	5.9 {0.6}	60
	25	1.1	7.7	15	7.4 {0.75}
	30	1.1	7.7	18	8.8 {0.9}
	35	1.2	10.8	21	10.3 {1.05}
	40	1.2	10.8	24	11.8 {1.2}
	45	1.3	14.3	27	13.2 {1.35}
	50	1.3	14.3	30	14.7 {1.5}
	60	1.4	19.6	36	17.7 {1.8}
	70	1.4	19.6	42	20.6 {2.1}
	80	1.5	27	48	23.5 {2.4}

[ ! ] Both ends of UR Type springs are not ground.
[!] Usage Count: 1 million times

■UF: Fmax. (allowable deflection) = L × 45%

Part Number		d	Solid Length (Reference Value)	F max.	N{kgf} max.
Type	D−L	d	Solid Length (Reference Value)	F max.	N{kgf} max.
SL-UF SH-UF SHD-UF	2-5*	0.2	2.35	2.25	0.66 {0.068}
	10*	0.2	2.35	4.5	1.3 {0.14}
	15*	0.26	7.8	6.7	2.0 {0.20}
	20*	0.26	7.8	9	2.7 {0.27}
	25*	0.29	13.6	11.2	3.3 {0.34}
	30*	0.29	13.6	13.5	4.0 {0.41}
	3-5*	0.26	1.8	2.25	1.1 {0.11}
	10*	0.32	4.5	4.5	2.2 {0.22}
	15*	0.32	4.5	6.7	3.2 {0.33}
	20*	0.35	6.3	9	4.4 {0.45}
	25*	0.35	6.3	11.2	5.5 {0.56}
	30*	0.4	12.4	13.5	6.6 {0.67}
	35*	0.4	12.4	15.7	7.6 {0.78}
	40*	0.4	12.4	18	8.8 {0.9}
	4-5*	0.32	2	2.25	1.1 {0.11}
	10*	0.35	3	4.5	2.2 {0.22}
	15*	0.4	5.2	6.7	3.2 {0.33}
	20*	0.4	5.2	9	4.4 {0.45}
	25*	0.45	9.5	11.2	5.5 {0.56}
	30*	0.45	9.5	13.5	6.6 {0.67}
	35*	0.5	15.5	15.7	7.6 {0.78}
	40*	0.5	15.5	18	8.8 {0.9}
	45*	0.5	15.5	20	9.8 {1}
	50*	0.5	15.5	22.5	10.8 {1.1}
	60*	0.55	22.6	27	12.7 {1.3}
	5-5*	0.35	2.01	2.25	1.1 {0.11}
	10*	0.4	3.2	4.5	2.2 {0.23}
	15*	0.4	3.2	6.75	3.3 {0.34}
	20*	0.45	4.95	9	4.4 {0.45}
	25*	0.45	4.95	11.25	5.5 {0.56}
	30*	0.5	7.75	13.5	6.7 {0.68}
	35*	0.5	7.75	15.75	7.7 {0.79}
	40	0.6	19.5	18	8.8 {0.9}
	45	0.6	19.5	20.25	10 {1.01}
	50	0.6	19.5	22.5	11.2 {1.13}
	60	0.65	27.95	27	13.4 {1.35}
	6-5*	0.4	2.2	2.25	1.1 {0.11}
	10*	0.5	5	4.5	2.2 {0.22}
	15*	0.55	7.7	6.7	3.2 {0.33}
	20*	0.55	7.7	9	4.4 {0.45}
	25	0.6	10.8	11.2	5.5 {0.56}
	30	0.65	15.6	13.5	6.6 {0.67}
	35	0.65	15.6	15.7	7.6 {0.78}
	40	0.65	15.6	18	8.8 {0.9}
	45	0.65	15.6	20	9.8 {1}
	50	0.7	23.1	22.5	10.8 {1.1}
	60	0.7	23.1	27	12.7 {1.3}
	70	0.75	30.8	31.5	14.7 {1.5}
	8-10	0.6	5.4	4.5	2.2 {0.22}
	15	0.65	7.2	6.7	3.2 {0.33}
	20	0.7	10.5	9	4.4 {0.45}
	25	0.7	10.5	11.2	5.5 {0.56}
	30	0.75	13.5	13.5	6.6 {0.67}
	35	0.75	13.5	15.7	7.6 {0.78}
	40	0.8	18.4	18	8.8 {0.9}
	45	0.8	18.4	20	9.8 {1}
	50	0.8	18.4	22.5	10.8 {1.1}
	60	0.85	26.4	27	12.7 {1.3}
	70	0.85	26.4	31.5	14.7 {1.5}
	80	0.85	26.4	36	17.7 {1.8}

Part Number		d	Solid Length (Reference Value)	F max.	N{kgf} max.
Type	D−L	d	Solid Length (Reference Value)	F max.	N{kgf} max.
SL-UF SH-UF SHD-UF	10-10	0.65	4.6	4.5	2.2 {0.22}
	15	0.65	4.6	6.7	3.2 {0.33}
	20	0.8	9.6	9	4.4 {0.45}
	25	0.8	9.6	11.2	5.5 {0.56}
	30	0.85	12.8	13.5	6.6 {0.67}
	35	0.85	12.8	15.7	7.6 {0.78}
	40	0.9	17	18	8.8 {0.9}
	45	0.9	17	20	9.8 {1}
	50	0.9	17	22.5	10.8 {1.1}
	60	1	28	27	12.7 {1.3}
	70	1	28	31.5	14.7 {1.5}
	80	1	28	36	17.7 {1.8}
	12-15	0.8	6.8	6.7	3.2 {0.33}
	20	0.8	6.8	9	4.4 {0.45}
	25	0.8	6.8	11.2	5.5 {0.56}
	30	0.9	10.8	13.5	6.6 {0.67}
	35	1	17	15.7	7.6 {0.78}
	40	1	17	18	8.8 {0.9}
	45	1	17	20	9.8 {1}
	50	1.1	26.4	22.5	10.8 {1.1}
	60	1.1	26.4	27	12.7 {1.3}
	70	1.1	26.4	31.5	14.7 {1.5}
	80	1.2	39.6	36	17.7 {1.8}
	13-15	0.8	5.6	6.7	3.2 {0.33}
	20	0.8	5.6	9	4.4 {0.45}
	25	0.85	7.2	11.2	5.5 {0.56}
	30	1	14	13.5	6.6 {0.67}
	35	1	14	15.7	7.6 {0.78}
	40	1	14	18	8.8 {0.9}
	45	1.1	21.5	20	9.8 {1}
	50	1.1	21.5	22.5	10.8 {1.1}
	60	1.1	21.5	27	12.7 {1.3}
	70	1.2	30	31.5	14.7 {1.5}
	80	1.2	30	36	17.7 {1.8}
	16-15	0.9	5.6	6.7	3.2 {0.33}
	20	1	7.7	9	4.4 {0.45}
	25	1	7.7	11.2	5.5 {0.56}
	30	1.1	12.1	13.5	6.6 {0.67}
	35	1.1	12.1	15.7	7.6 {0.78}
	40	1.2	18	18	8.8 {0.9}
	45	1.2	18	20	9.8 {1}
	50	1.2	18	22.5	10.8 {1.1}
	60	1.3	26	27	12.7 {1.3}
	70	1.3	26	31.5	14.7 {1.5}
	80	1.4	35	36	17.7 {1.8}
	20-20	1.2	7.2	9	8.8 {0.9}
	25	1.3	9.1	11.3	11.1 {1.13}
	30	1.4	11.9	13.5	13.2 {1.35}
	35	1.4	11.9	15.8	15.5 {1.58}
	40	1.5	15.8	18	17.7 {1.8}
	45	1.5	15.8	20.3	19.9 {2.03}
	50	1.6	20.8	22.5	22.1 {2.25}
	60	1.6	20.8	27	26.5 {2.7}
	70	1.7	26.4	31.5	30.9 {3.15}
	80	1.7	26.4	36	35.3 {3.6}

[ ! ] Both ends of * marked UF Type springs are not ground.
[!] Usage Count: 1 million times

kgf (load) = N⋅mm (spring constant) × 0.101972 × F (Deflection)
[kgf]=N × 0.101972

● How to calculate the number of coils (reference value):
Total coils = solid length / wire diameter (d) - 1
Number of active coils = total coils - 2
* The values of the number of coils are for reference only. There may be some variations depending on the lot.

[!] The values of solid length are for reference only. There may be some variations depending on the lot.
Using it compressed to the solid length may cause deformation or break after a few uses.
Be sure to use the springs within the range of the allowable deflection F max.(mm).

■Spring Constant (N/mm) [kgf/mm]
[ ! ] D12 is applicable to UY, UR, and UF Types only.

Type

SL-UV

SL-UY

SL-UR

SL-UF

SL-UM

SL-UH

SH-UV

SH-UY

SH-UR

SH-UF

SH-UM

SH-UH

SHD-UV

SHD-UY

SHD-UR

SHD-UF

SHD-UM

SHD-UH

0.05 {0.005}

0.2 {0.02}

0.3 {0.03}

0.05
{0.005}

0.098
{0.01}

0.29
{0.03}

0.49
{0.05}

2
{0.2}

2.9 {0.3}

2.9
{0.3}

5.9
{0.6}

0.2
{0.02}

9.8
{1.0}

0.3 {0.03}

0.5 {0.05}

0.98 {0.1}

4.9 {0.5}

14.7 {1.5}

Fmax.

F = L × 70%

F = L × Fa%

F = L × 45%

F = L × Fa%

Cleaning Process
·Degreasing (Part Number: SL-□□)

Working Environment: General environment
Alkaline warm pure water		Ultrasonic pure water cleaning after cleaning with pure water *3 times		Dry		Anti-rust single packing

·Precision cleaning (Part Number: SH-□□)

				Working Environment: Class 1,000				Working Environment: Class 10
Hydrocarbon cleaning Ro water cleaning		Wash with pure water (10 MΩ·cm) after high-pressure water jet cleaning (Ro water)		Use pure water (13 MΩ·cm)		Use nitrogen blow		Conducted on a clean bench in a class 10 clean environment

·Electrolytic polishing + precision cleaning (Part Number: SHD-□□)

						Working Environment: Class 1,000				Working Environment: Class 10
Hydrocarbon cleaning Ro water cleaning		Electrolytic polishing with an electrolytic polishing layer according to the material		Wash with pure water (10 MΩ·cm) after high-pressure water jet cleaning (Ro water)		Use warm pure water (13 MΩ·cm)		Use nitrogen blow		Conducted on a clean bench in a class 10 clean environment

Packaging Example

For degreasing:
(Part Number: SL-□□)

For precision cleaning or electrolytic polishing + precision cleaning:
(Part Number: SH-□□/SHD-□□)

[ ! ] Both the first and second layer packaging are degassed.

Cleaning Effectiveness / Recommended Environment for Use

Cleaning Method	Product Part Number	Packaging Type	Effects Compared to Uncleaned Product	Environment (Standard)	Use Case and Process
Degreasing	SL-□□	Anti-rust packing	Oil removal	General environment	Regular assembly process
Degreasing	SL-□□	Anti-rust packing	Oil removal	General environment	Post battery assembly process
Precision cleaning	SH-□□	Degassing double packing	Oil removal Dust removal	Clean environment (Class 10 to 1,000)	Battery assembly process
					LCD-related post assembly process
					In-vehicle camera assembly process
Electrolytic polishing + precision cleaning	SHD-□□	Degassing double packing	Oil removal Dust removal Outgas reduction	Vacuum environment Clean environment (Class 10 to 1,000)	Pre-semiconductor process
					Liquid crystal deposition process
					Pre-OLED process

Part Number

Incomplete part number.
Please use left hand selections to complete a part number.

: 30; 45; 60

Part Number
SHD-UR20-25

Part Number	Price	Minimum Order Qty.	Volume Discount	Days to Ship	Free Length L (mm)	Outer Dia. D (or D1) (Ø)	Spring Constant (N/mm)	Allowable Load (Configurable Range) (N)	Max. Load (N)	Wire Dia. (Ø)	Solid Length (mm)	Cleaning Method	Allowable Displacement (mm)	End Face State	Maximum Height when Loaded (Free Length, Allowable Deflection) (mm)
	₹ 603.35	1 Piece(s)	Available	9 Day(s) or more	25	20	0.5	4.51~8.50	7.4	1.1	7.7	Electrolytic Polishing + Precision Cleaning	15	No Grinding	10

Basic Information

Type	Round Wire	Characteristics/Applications	RoHS Compliant (10 Substances)	Environmentally friendly	RoHS Compliant (10 Substances)

Please check the type/dimensions/specifications of the part SHD-UR20-25 in the [Cleaned & Packaged] Round Wire Coil Spring - O.D. Referenced, Stainless Steel, UY/UR/UF series.

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

Product variants

Part Number
SH-UF10-25
SH-UF10-30
SH-UF10-35
SHD-UR20-30
SHD-UR20-35
SHD-UR20-40

Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	Free Length L (mm)	Outer Dia. D (or D1) (Ø)	Spring Constant (N/mm)	Allowable Load (Configurable Range) (N)	Max. Load (N)	Wire Dia. (Ø)	Solid Length (mm)	Cleaning Method	Allowable Displacement (mm)	End Face State	Maximum Height when Loaded (Free Length, Allowable Deflection) (mm)
₹ 475.98	1 Piece(s)	Available	9 Day(s) or more	25	10	0.49	4.51~8.50	5.5	0.8	9.6	Precision Cleaning	11.2	With Grinding	13.8
₹ 475.98	1 Piece(s)	Available	9 Day(s) or more	30	10	0.49	4.51~8.50	6.6	0.85	12.8	Precision Cleaning	13.5	With Grinding	16.5
₹ 475.98	1 Piece(s)	Available	9 Day(s) or more	35	10	0.49	4.51~8.50	7.6	0.85	12.8	Precision Cleaning	15.7	With Grinding	19.3
₹ 603.35	1 Piece(s)	Available	10 Day(s) or more	30	20	0.5	8.51~16.00	8.8	1.1	7.7	Electrolytic Polishing + Precision Cleaning	18	No Grinding	12
₹ 603.35	1 Piece(s)	Available	9 Day(s) or more	35	20	0.5	8.51~16.00	10.3	1.2	10.8	Electrolytic Polishing + Precision Cleaning	21	No Grinding	14
₹ 603.35	1 Piece(s)	Available	9 Day(s) or more	40	20	0.5	8.51~16.00	11.8	1.2	10.8	Electrolytic Polishing + Precision Cleaning	24	No Grinding	16

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