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(94 Part Numbers Available)

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Part Number Complete

UTT16-30

Free Length L Outer Dia. D (or D1) Height with the max. load applied ([Free Length] – [Allowable Deflection]) Spring Constant Max. Load Wire Dia. End Surface Status Solid Length Tolerance Change type Allowable Load (Configurable Range) CAD Days to Ship

Specification/Dimensions

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
Height with the max. load applied ([Free Length] – [Allowable Deflection])(mm)
3

6

9

12

14

15

17

18

20.1

21

22

24

27

30

32

36

42

46

46.2

48
Clear
Spring Constant(N/mm)
0.5

0.98

1.5

2

2.9

3.9
Clear
Max. Load(N)
0.98

1.96

2

2.9

2.94

3.9

3.92

4.9

5.88

5.9

7.8

8.8

9.8

11.8

13.7

14.7

15.7

17.7

19.6

20.6

23.5

27.5

29.4

31.4

35.3

39.2

41.2

47.1

53

54.9

58.8

62.8

70.6

78.5

82.4

94.1

109.8

125.5
Clear
Wire Dia.(Ø)
0.2

0.26

0.3

0.32

0.35

0.35$0.65

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

1.8

2

2.2

2.3

2.4

09
Clear
End Surface Status
- With Grinding
- Without Grinding
Clear
Solid Length(mm)
1.65

2

2.1

2.4

2.6

2.8

3.6

3.7

3.9

4.2

4.4

4.6

4.7

4.75

4.8

5.07

5.1

5.3

5.4

5.75

6

6.2

6.5

6.6

6.88

7.2

7.4

7.5

7.7

8

8.25

8.3

8.5

9

9.1

9.4

9.5

9.9

10.4

10.5

10.6

10.7

10.8

11.7

12.1

12.3

12.5

12.6

12.7

12.8

13.6

14

14.1

14.3

14.4

14.5

14.95

15

15.3

15.4

15.5

16.5

16.8

17

17.3

17.5

18

19

19.6

19.8

20

20.3

20.4

21.6

21.7

23

23.4

23.7

24

24.8

25.3

27

27.5

27.8

28

29.9

30

30.75

32

34.5

35

35.2

36

38.4

39.6

40.8

41

43.4
Clear
Tolerance Change
- LKC (with Tolerance Change)
Clear
type
- UL
- UTT
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
- 50.01~73.00
- 73.01~107.00
- 107.01~150.00
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

Same day

6 Day(s) or Less

7 Day(s) or Less

10 Day(s) or Less
Clear

Specify Alterations

Round Wire Coil Springs/Deflection 40%/O.D. Referenced (Part Number)

Volume Discount

Brand :

Order Qty :
Total Price :

---
Days to ship :

---

Select part number to Order Now/ Add to Cart

CAD Download

(i)
Caution

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

Product Description

This is a standardized series so that the spring constant is constant for the same diameter.
[Features]
· UL/UTT type, Allowable maximum deflection 40%

[ M ]Material SUS304-WPB Spring Constant ±10%

Specifications

Part Number

UL16-80
UTT16-80

■UL: Fmax. (Allowable Deflection) =Lx40%

Part Number		d	Solid Length	F max.	N{kgf}max.		Unit Price
Type D-L		d	Solid Length	F max.	N{kgf}max.		Unit Price
UL 2-	5*	0.2	1.65	2	0.98	{0.1}
	10*	0.26	5.07	4	1.96	{0.2}
	15*	0.26	5.07	6	2.94	{0.3}
	20*	0.3	9.9	8	3.92	{0.4}
	25*	0.32	14.1	10	4.90	{0.5}
	30*	0.32	14.1	12	5.88	{0.6}
UL 3-	5*	0.30	2	2	2.0	{0.2}
	10*	0.35	3.7	4	3.9	{0.4}
	15*	0.4	6.6	6	5.9	{0.6}
	20*	0.4	6.6	8	7.8	{0.8}
	25*	0.45	11.7	10	9.8	{1 }
	30*	0.45	11.7	12	11.8	{1.2}
	35*	0.45	11.7	14	13.7	{1.4}
	40*	0.5	20	16	15.7	{1.6}
UL 4-	5*	0.35	2.1	2	2.0	{0.2}
	10*	0.45	5.3	4	3.9	{0.4}
	15*	0.45	5.3	6	5.9	{0.6}
	20*	0.5	8	8	7.8	{0.8}
	25*	0.5	8	10	9.8	{1 }
	30*	0.55	12.7	12	11.8	{1.2}
	35*	0.55	12.7	14	13.7	{1.4}
	40	0.6	19.8	16	15.7	{1.6}
	45	0.6	19.8	18	17.7	{1.8}
	50	0.6	19.8	20	19.6	{2 }
	60	0.65	29.9	24	23.5	{2.4}
UL 5-	5*	0.4	2.2	2	2.0	{0.2}
	10*	0.5	4.75	4	3.9	{0.4}
	15*	0.5	4.75	6	5.9	{0.6}
	20*	0.55	6.88	8	7.8	{0.8}
	25*	0.55	6.88	10	9.8	{1 }
	30	0.65	14.95	12	11.8	{1.2}
	35	0.65	14.95	14	13.7	{1.4}
	40	0.65	14.95	16	15.7	{1.6}
	45	0.7	21.7	18	17.7	{1.8}
	50	0.7	21.7	20	19.6	{2 }
	60	0.75	30.75	24	23.5	{2.4}
UL 6-	5*	0.45	2.3	2	2.0	{0.2}
	10*	0.55	4.4	4	3.9	{0.4}
	15*	0.55	4.4	6	5.9	{0.6}
	20	0.65	8.5	8	7.8	{0.8}
	25	0.65	8.5	10	9.8	{1 }
	30	0.7	12.6	12	11.8	{1.2}
	35	0.7	12.6	14	13.7	{1.4}
	40	0.7	12.6	16	15.7	{1.6}
	45	0.75	17.3	18	17.7	{1.8}
	50	0.75	17.3	20	19.6	{2 }
	60	0.8	24.8	24	23.5	{2.4}
	70	0.8	24.8	28	27.5	{2.8}
UL 8-	10	0.65	4.6	4	3.9	{0.4}
	15	0.75	8.3	6	5.9	{0.6}
	20	0.75	8.3	8	7.8	{0.8}
	25	0.75	8.3	10	9.8	{1 }
	30	0.8	10.4	12	11.8	{1.2}
	35	0.8	10.4	14	13.7	{1.4}
	40	0.8	10.4	16	15.7	{1.6}
	45	0.85	14.5	18	17.7	{1.8}
	50	0.85	14.5	20	19.6	{2 }
	60	0.9	18	24	23.5	{2.4}
	70	1.0	30	28	27.5	{2.8}
	80	1.0	30	32	31.4	{3.2}
UL 10-	10	0.75	4.7	4	3.9	{0.4}
	15	0.8	6.2	6	5.9	{0.6}
	20	0.8	6.2	8	7.8	{0.8}
	25	0.9	9.5	10	9.8	{1 }
	30	0.9	9.5	12	11.8	{1.2}
	35	0.9	9.5	14	13.7	{1.4}
	40	1.0	15.5	16	15.7	{1.6}
	45	1.0	15.5	18	17.7	{1.8}
	50	1.0	15.5	20	19.6	{2 }
	60	1.1	23.7	24	23.5	{2.4}
	70	1.1	23.7	28	27.5	{2.8}
	80	1.1	23.7	32	31.4	{3.2}
UL 12-	15	0.9	6.75	6	5.9	{0.6}
	20	1	10	8	7.8	{0.8}
	25	1	10	10	9.8	{1.0}
	30	1.1	14.85	12	11.8	{1.2}
	35	1.1	14.85	14	13.7	{1.4}
	40	1.2	21.6	16	15.7	{1.6}
	45	1.2	21.6	18	17.7	{1.8}
	50	1.2	21.6	20	19.6	{2.0}
	60	1.3	32.5	24	23.5	{2.4}
	70	1.3	32.5	28	27.5	{2.8}
	80	1.4	46.2	32	31.4	{3.2}
UL 13-	15	0.9	5.4	6	5.9	{0.6}
	20	1.0	8.25	8	7.8	{0.8}
	25	1.0	8.25	10	9.8	{1 }
	30	1.1	12.1	12	11.8	{1.2}
	35	1.1	12.1	14	13.7	{1.4}
	40	1.1	12.1	16	15.7	{1.6}
	45	1.2	16.8	18	17.7	{1.8}
	50	1.2	16.8	20	19.6	{2 }
	60	1.2	16.8	24	23.5	{2.4}
	70	1.4	35	28	27.5	{2.8}
	80	1.4	35	32	31.4	{3.2}
UL 16-	15	1.1	7.7	6	5.9	{0.6}
	20	1.1	7.7	8	7.8	{0.8}
	25	1.2	10.8	10	9.8	{1 }
	30	1.2	10.8	12	11.8	{1.2}
	35	1.3	14.3	14	13.7	{1.4}
	40	1.3	14.3	16	15.7	{1.6}
	45	1.4	19.6	18	17.7	{1.8}
	50	1.4	19.6	20	19.6	{2 }
	60	1.4	19.6	24	23.5	{2.4}
	70	1.5	27	28	27.5	{2.8}
	80	1.5	27	32	31.4	{3.2}
UL 20-	20	1.6	10.4	8	23.5	{2.4}
	25	1.6	10.4	10	29.4	{3 }
	30	1.7	12.8	12	35.3	{3.6}
	35	1.7	12.8	14	41.2	{4.2}
	40	1.8	15.3	16	47.1	{4.8}
	45	1.8	15.3	18	53.0	{5.4}
	50	2	23	20	58.8	{6 }
	60	2	23	24	70.6	{7.2}
	70	2.2	35.2	28	82.4	{8.4}
	80	2.2	35.2	32	94.1	{9.6}

kgf (Load)=N/mm (Spring Constant) x0.101972xF (Deflection)
{kgf}=Nx0.101972
[ ! ]For Types marked with *, both ends are not ground.
[ ! ]The values of solid length are for reference only.
There may be some variations depending on the lot.
[ ! ]Usage Count: 1 Million Times

■UTT: Fmax. (Allowable Deflection) =LxFa%

Part Number		d	Solid Length	F max.	N{kgf}		Fa%	Unit Price
TypeD-L		d	Solid Length	F max.	Max.		Fa%	Unit Price
UTT 3-	5*	0.35	2.8	2	2.9	{0.3}	40
	10*	0.4	4.8	4	5.9	{0.6}
	15*	0.45	8.3	6	8.8	{0.9}
	20*	0.45	8.3	6	8.8	{0.9}	30
	25*	0.5	14	8	11.8	{1.2}	32
	30*	0.5	14	8	11.8	{1.2}	27
UTT 4-	5*	0.4	2.6	2	2.9	{0.3}	40
	10*	0.45	3.9	4	5.9	{0.6}
	15*	0.5	6	6	8.8	{0.9}
	20*	0.55	9.4	8	11.8	{1.2}
	25	0.6	14.4	10	14.7	{1.5}
	30	0.6	14.4	9.9	14.7	{1.5}	33
UTT 5-	5*	0.45	2.6	2	2.9	{0.3}	40
	10*	0.5	3.6	4	5.9	{0.6}
	15	0.6	7.5	6	8.8	{0.9}
	20	0.6	7.5	8	11.8	{1.2}
	25	0.65	10.7	10	14.7	{1.5}
	30	0.7	15.4	12	17.7	{1.8}
	35	0.7	15.4	14	20.6	{2.1}
UTT 6-	5*	0.5	2.4	2	3.9	{0.4}	40
	10	0.6	4.2	4	7.8	{0.8}
	15	0.7	7.4	6	11.8	{1.2}
	20	0.7	7.4	8	15.7	{1.6}
	25	0.8	13.6	10	19.6	{2.0}
	30	0.8	13.6	12	23.5	{2.4}
	35	0.85	17.5	14	27.5	{2.8}
	40	0.9	23.4	16	31.4	{3.2}
	45	0.9	23.4	18	35.3	{3.6}
	50	0.9	23.4	18	35.3	{3.6}	36
	60	1.0	41	18	35.3	{3.6}	30
	70	1.0	41	24	47.1	{4.8}	34
UTT 8-	10	0.75	5.3	4	7.8	{0.8}	40
	15	0.75	5.3	6	11.8	{1.2}
	20	0.9	10.4	8	15.7	{1.6}
	25	0.9	10.4	10	19.6	{2.0}
	30	1.0	17	12	23.5	{2.4}
	35	1.0	17	14	27.5	{2.8}
	40	1.0	17	16	31.4	{3.2}
	45	1.1	25.3	18	35.3	{3.6}
	50	1.1	25.3	20	39.2	{4.0}
	60	1.1	25.3	24	47.1	{4.8}
	70	1.2	39.6	23.8	54.9	{5.6}
UTT 10-	10	0.85	5.1	4	7.8	{0.8}	40
	15	0.85	5.1	6	11.8	{1.2}
	20	1.0	9.5	8	15.7	{1.6}
	25	1.0	9.5	10	19.6	{2.0}
	30	1.1	14.3	12	23.5	{2.4}
	35	1.1	14.3	14	27.5	{2.8}
	40	1.2	20.4	16	31.4	{3.2}
	45	1.2	20.4	18	35.3	{3.6}
	50	1.2	20.4	20	39.2	{4.0}
	60	1.3	29.9	24	47.1	{4.8}
	70	1.4	43.4	23.8	47.1	{4.8}	34
UTT 13-	15	1.0	5.75	6	11.8	{1.2}	40
	20	1.2	10.5	8	15.7	{1.6}
	25	1.2	10.5	10	19.6	{2.0}
	30	1.3	15	12	23.5	{2.4}
	35	1.3	15	14	27.5	{2.8}
	40	1.4	20.3	16	31.4	{3.2}
	45	1.4	20.3	18	35.3	{3.6}
	50	1.5	27.8	20	39.2	{4.0}
	60	1.5	27.8	24	47.1	{4.8}
	70	1.6	38.4	28	54.9	{5.6}
	80	1.6	38.4	32	62.8	{6.4}
UTT 16-	15	1.2	7.2	6	11.8	{1.2}	40
	20	1.3	9.1	8	15.7	{1.6}
	25	1.3	9.1	10	19.6	{2.0}
	30	1.4	12.3	12	23.5	{2.4}
	35	1.5	16.5	14	27.5	{2.8}
	40	1.6	21.6	16	31.4	{3.2}
	45	1.6	21.6	18	35.3	{3.6}
	50	1.7	28	20	39.2	{4.0}
	60	1.7	28	24	47.1	{4.8}
	70	1.8	36	28	54.9	{5.6}
	80	1.8	36	32	62.8	{6.4}
UTT 20-	20	1.7	10.6	8	31.4	{3.2}	40
	25	1.8	12.6	10	39.2	{4.0}
	30	1.8	12.6	12	47.1	{4.8}
	35	2.0	19	14	54.9	{5.6}
	40	2.0	19	16	62.8	{6.4}
	45	2.0	19	18	70.6	{7.2}
	50	2.2	27.5	20	78.5	{8.0}
	60	2.2	27.5	24	94.1	{9.6}
	70	2.3	34.5	28	109.8	{11.2}
	80	2.4	40.8	32	125.5	{12.8}

■ Spring Constant [ ! ]D12 is applicable to UY, UR, UF, UL and UBB Types only. D14 is applicable to UBB Type only.

Type

UTT

UBB

0.05{0.005}

0.2{0.02}

0.3{0.03}

0.5{0.05}

N/mm
0.05
{kgf/mm}
{0.005}

N/mm
0.098
{kgf/mm}
{0.01}

N/mm
0.29
{kgf/mm}
{0.03}

N/mm
0.49
{kgf/mm}
{0.05}

N/mm
0.98
{kgf/mm}
{0.1}

N/mm
1.5
{kgf/mm}
{0.15}

2.0{0.2}

2.9{0.3}

4.9{0.5}

N/mm
2.0
{kgf/mm}
{0.2}

N/mm
2.9
{kgf/mm}
{0.3}

N/mm
5.9
{kgf/mm}
{0.6}

N/mm
9.8
{kgf/mm}
{1.0}

N/mm
0.2
{kgf/mm}
{0.02}

N/mm
9.8
{kgf/mm}
{1.0}

N/mm
19.6
{kgf/mm}
{2.0}

0.3{0.03}

0.5{0.05}

0.98{0.1}

2.9{0.3}

3.9{0.4}

4.9{0.5}

14.7{1.5}

29.4{3.0}

Fmax.

F=L×70%

F=LxFa%

F=Lx45%

F=Lx40%

F=LxFa%

Part Number

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

: 30; 60; 90

Part Number
UTT16-30
UTT16-30-LKC
UTT16-35
UTT16-35-LKC

Price	Minimum Order Qty.	Volume Discount	Days to Ship	RoHS	Free Length L (mm)	Outer Dia. D (or D1) (Ø)	Height with the max. load applied ([Free Length] – [Allowable Deflection]) (mm)	Spring Constant (N/mm)	Allowable Load (Configurable Range) (N)	Max. Load (N)	Wire Dia. (Ø)	End Surface Status	Solid Length (mm)	Tolerance Change	Allowable Deflection (mm)
₹ 496.76	1 Piece(s)	Available	Same day	10	30	16	18	2	16.01~30.00	23.5	1.4	With Grinding	12.3	-	12
₹ 938.32	1 Piece(s)	Available	10 Day(s) or more	10	30	16	18	2	16.01~30.00	23.5	1.4	With Grinding	12.3	LKC (with Tolerance Change)	12
₹ 496.76	1 Piece(s)	Available	Same day	10	35	16	21	2	16.01~30.00	27.5	1.5	With Grinding	16.5	-	14
₹ 982.47	1 Piece(s)	Available	10 Day(s) or more	10	35	16	21	2	16.01~30.00	27.5	1.5	With Grinding	16.5	LKC (with Tolerance Change)	14

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

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