Helical slit couplings / body: aluminium / MST / NBK

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Volume Discount

Backlash "0." Design of aluminum alloy slit pattern changed to improve performance.

[Features]
· Metal spring coupling with perfectly integrated structure, with slit in cylindrical material.
Leaf spring formed with a slit allows eccentricity, angle deviation, and end play.
· 2 kinds available: aluminum alloy / all stainless steel type.
· Wide range of outer diameters, ø8 to ø63

Part Number

Once your search is narrowed to one product,
the corresponding part number is displayed here.

Data to be displayed: 30; 45; 60

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Part Number
MST-32-6-8
MST-32-6-14-BT
MST-32-6-BT-6-BT
MST-32-6-BT-7-BT
MST-32-6-BT-9-BT
MST-32-6-BT-11-BT
MST-32-6-BT-12-BT
MST-32-6-BT-13-BT
MST-32-6-BT-15-BT
MST-32-6-BT-16-BT
MST-32-6.35-8
MST-32-6.35-10-BT
MST-32-6.35-13-BT
MST-32-6.35-15-BT
MST-32-6.35-16-BT
MST-32-6.35-BT-7-BT
MST-32-6.35-BT-9-BT
MST-32-6.35-BT-11-BT
MST-32-6.35-BT-12-BT
MST-32-6.35-BT-14-BT
MST-32-7-BT-7-BT
MST-32-7-BT-8-BT
MST-32-7-BT-9-BT
MST-32-7-BT-10-BT
MST-32-7-BT-11-BT
MST-32-7-BT-12-BT
MST-32-7-BT-13-BT
MST-32-7-BT-14-BT
MST-32-7-BT-15-BT
MST-32-7-BT-16-BT
MST-32-8-8
MST-32-8-10
MST-32-8-12
MST-32-8-BT-9-BT
MST-32-8-BT-11-BT
MST-32-8-BT-13-BT
MST-32-8-BT-15-BT
MST-32-8-BT-16-BT
MST-32-9-BT-9-BT
MST-32-9-BT-10-BT
MST-32-9-BT-11-BT
MST-32-9-BT-12-BT
MST-32-9-BT-13-BT
MST-32-9-BT-14-BT
MST-32-9-BT-15-BT
MST-32-9-BT-16-BT
MST-32-9.525-12
MST-32-9.525-BT-10-BT
MST-32-9.525-BT-11-BT
MST-32-9.525-BT-13-BT
MST-32-9.525-BT-16-BT
MST-32-10-10
MST-32-10-11
MST-32-10-12
MST-32-10-14
MST-32-10-BT-13-BT
MST-32-10-BT-15-BT
MST-32-10-BT-16-BT
MST-32-11-BT-11-BT
MST-32-11-BT-12-BT

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	RoHS	Allowable Torque Range (N•m)	Shaft Bore Dia. (machined) D1 (mm)	Shaft Bore Dia. (machined) D2 (mm)	Outer Diameter (mm)	Overall Length (mm)	Maximum Range of Rotation Number (r/min)	Body Material	Normal Torque (Nm)	Max. Rotational Speed (r/min)	Allowable Lateral Misalignment (mm)	Allowable Axial Misalignment (mm)	Moment of Inertia (kg･m²)	Structure	Additional Work	Keyway
58.20 €	1	9 Days	10	3.01 to 5.00	6	8	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Standard Shaft Bore	NA
113.12 €	1	9 Days	10	3.01 to 5.00	6	14	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	6	6	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	6	7	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	6	9	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	6	11	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	6	12	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	6	13	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	6	15	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	6	16	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
58.20 €	1	9 Days	10	3.01 to 5.00	6.35	8	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Standard Shaft Bore	NA
113.12 €	1	9 Days	10	3.01 to 5.00	6.35	10	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	6.35	13	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	6.35	15	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	6.35	16	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	6.35	7	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	6.35	9	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	6.35	11	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	6.35	12	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	6.35	14	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	7	7	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	7	8	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	7	9	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	7	10	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	7	11	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	7	12	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	7	13	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	7	14	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	7	15	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	7	16	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
58.20 €	1	9 Days	10	3.01 to 5.00	8	8	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Standard Shaft Bore	NA
58.20 €	1	9 Days	10	3.01 to 5.00	8	10	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Standard Shaft Bore	NA
58.20 €	1	9 Days	10	3.01 to 5.00	8	12	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Standard Shaft Bore	NA
113.12 €	1	9 Days	10	3.01 to 5.00	8	9	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	8	11	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	8	13	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	8	15	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	8	16	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	9	9	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	9	10	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	9	11	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	9	12	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	9	13	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
103.11 € 52.59 €	1	Same day Stock	10	3.01 to 5.00	9	14	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	9	15	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	9	16	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
58.20 €	1	9 Days	10	3.01 to 5.00	9.525	12	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Standard Shaft Bore	NA
113.12 €	1	9 Days	10	3.01 to 5.00	9.525	10	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	9.525	11	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	9.525	13	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	9.525	16	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
58.20 €	1	9 Days	10	3.01 to 5.00	10	10	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Standard Shaft Bore	NA
58.20 €	1	9 Days	10	3.01 to 5.00	10	11	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Standard Shaft Bore	NA
58.20 €	1	9 Days	10	3.01 to 5.00	10	12	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Standard Shaft Bore	NA
58.20 €	1	9 Days	10	3.01 to 5.00	10	14	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Standard Shaft Bore	NA
113.12 €	1	9 Days	10	3.01 to 5.00	10	13	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	10	15	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	10	16	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	11	11	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
113.12 €	1	9 Days	10	3.01 to 5.00	11	12	32	41	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	4	19000	0.15	±0.5	9.6×10^-6	Set Screw Type	Additional Work Shaft Hole	NA

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Basic information

Type	Slit type	Allowable Misalignment	Angular Misalignment / Eccentricity / Axial Misalignment	Application	Standard / Stepping Motor
Feature	High torsional rigidity / High Torque / Backlash 0	Category	Coupling body	Allowable Lateral Misalignment Range(mm)	0.02 to 0.2
Allowable Angular Misalignment(deg)	2

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Basic Attributes

Shaft Bore Dia. (machined) D1(mm)
2

3

4

4.5

5

6

6.35

7

8

9

9.525

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35
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Shaft Bore Dia. (machined) D2(mm)
2

3

4

5

6

6.35

7

8

9

9.525

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35
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Outer Diameter(mm)
8

12

16

20

25

32

40

50

63
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Overall Length(mm)
14

18.5

23

26

31

41

56

71

90
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Maximum Range of Rotation Number(r/min)
4,001 to 10,000

10,001 to 78,000
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Body Material
- Stainless Steel
  - Stainless Steel (EN 1.4305 Equiv.)
- Aluminum
  - EN AW-2017 Equiv.
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Normal Torque(Nm)
0.1

0.2

0.3

0.4

0.5

1

2

3.5

4

8

15

16

32

35
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Max. Rotational Speed(r/min)
10000

12000

15000

19000

25000

31000

39000

52000

78000
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Allowable Lateral Misalignment(mm)
0.1

0.15

0.2
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Structure
- Clamping Type
- Set Screw Type
- Set screw + key type
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Additional Work
- Additional Work Shaft Hole
- Standard Shaft Bore
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Keyway
- Both Sides
- NA
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Type
- MST
- MSTS
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Allowable Torque Range(N•m)
0.05 to 1.00

1.01 to 3.00

3.01 to 5.00

5.01 to 10.00

10.01 to 20.00

20.01 to 50.00
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