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Rotary Shafts - With keyways and both ends internally threaded. (Part Numbers)

Rotary Shafts - With keyways and both ends internally threaded.

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  • Lead Time Reduction

New diameter sizes (13, 16, 17, 18 and 22) are added for h9 tolerance types. [3/31/23]
Straight Rotary Shafts with Both Ends Tapped and Key Grooves are available in 1045 Carbon Steel or Equivalent and 304 Stainless Steel, with the following options for Surface Treatment : Black Oxide, and Electroless Nickel Plating or No Surface Treatment.
[Diameter range] 6mm - 50mm
[Length range]15mm - 1000mm. Use the alteration LKC to specify the length in 0.1mm increment.

Inch option available, please click Here.

  • METRIC
  • inCAD Components
Rotary Shafts - Both Ends Tapped with Key Grooves:Related Image
・Materials
TypeD Tolerance[ M ]Material[ S ]Surface Treatment
NSFMKRWh9
(Cold-drawn)
1045 Carbon Steel or Equivalent-
SFMKRWBlack Oxide
PSFMKRWElectroless Nickel Plating
SSFMKRW304 Stainless Steel-
NSFHKRWh7 (Ground)1045 Carbon Steel or Equivalent-
SFHKRWBlack Oxide
PSFHKRWElectroless Nickel Plating
SSFHKRW304 Stainless Steel-
NSFGKRWg6 (Ground)1045 Carbon Steel or Equivalent-
SFGKRWBlack Oxide
PSFGKRWElectroless Nickel Plating
SSFGKRW304 Stainless Steel-

Specifications

 Part Number-L-M-N-Keyway ①-Keyway ②-Keyway ③
         
KA-AKB-BKC-C
1 Keyway
2 Keyways
3 Keyways
SFMKRW10
SFHKRW30
SFGKRW25
-
-
-
325
300
350
-
-
-
M4
M10
M8
-
-
-
N4
N10
N8
-
-
-
KA20
KA20
KA10
-
-
-
A50
A50
A60

-
-

KB120
KB90

-
-

B20
B30


-


KC210


-


C30
①h9 (Cold-drawn)
Part NumberL
0.1mm Increment
M (Coarse) / N (Coarse)
Selection
Keyway ①Keyway ②Keyway ③
TypeDh9KA, AKB, BKC, C
 Tolerance1mm Increment
NSFMKRW

SFMKRW

PSFMKRW

SSFMKRW

(D6 is not available for SSFMKRW.)
60
-0.030
15.0~400.02.6 (3)(4)         KA+A≤L

KA≥0

b≤A≤100
KB+B≤L

KB≥KA+A

b≤B≤100
KC+C≤L

KC≥KB+B

b≤C≤100
80
-0.036
15.0~500.02.6 (3)(4)(5)(6)       
1015.0~600.0      34(5)(6)       
120
-0.043
15.0~700.0  45(6)(8)      
1515.0~800.0 456(8)      
200
-0.052
30.0~1000.0  456810     
2550.0~1000.0  45681012    
3060.0~1000.0    68101216   
350
-0.062
70.0~1000.0    6810121620  
[ ! ]M, N Sizes in ( ) are selectable when KA≥Mx2 and L-KC-C≥Nx2.
②h7 (Ground)
Part NumberL
0.1mm Increment
M (Coarse) / N (Coarse)
Selection
Keyway ①Keyway ②Keyway ③
TypeDh7KA, AKB, BKC, C
 Tolerance1mm Increment
NSFHKRW

SFHKRW

PSFHKRW

SSFHKRW
60
-0.012
15.0~400.02.6 (3)(4)         KA+A≤L

KA≥0

b≤A≤100
KB+B≤L

KB≥KA+A

b≤B≤100
KC+C≤L

KC≥KB+B

b≤C≤100
80
-0.015
15.0~500.02.6 (3)(4)(5)(6)       
1015.0~600.0      34(5)(6)       
120
-0.018
15.0~700.0  45(6)(8)      
1515.0~800.0  456(8)      
1730.0~900.0  4568(10)(12)    
200
-0.021
30.0~1000.0  4568(10)(12)(16)   
2550.0~1000.0  45681012(16)   
3060.0~1000.0    68101216   
350
-0.025
70.0~1000.0    6810121620  
4080.0~1000.0      1012162024 
50100.0~1000.0       1216202430
[ ! ]M, N Sizes in ( ) are selectable when KA≥Mx2 and L-KC-C≥Nx2.
③g6 (Ground)
Part NumberL
0.1mm Increment
M (Coarse) / N (Coarse)
Selection
Keyway ①Keyway ②Keyway ③
TypeDg6KA, AKB, BKC, C
 Tolerance1mm Increment
NSFGKRW

SFGKRW

PSFGKRW

SSFGKRW

(D13, 16, 18 and 22 are not available for SSFGKRW.)
6-0.004 -0.01215.0~400.02.6 (3)(4)         KA+A≤L

KA≥0

b≤A≤100
KB+B≤L

KB≥KA+A

b≤B≤100
KC+C≤L

KC≥KB+B

b≤C≤100
8-0.005
-0.014
15.0~500.02.6 (3)(4)(5)(6)       
1015.0~600.0      34(5)(6)       
12-0.006 -0.01715.0~700.0  45(6)(8)      
1315.0~700.0 456(8)      
1515.0~800.0  456(8)      
1615.0~900.0  4568(10)     
1730.0~900.0  4568(10)(12)    
1830.0~900.0  4568(10)(12)    
20-0.007 -0.02030.0~1000.0  456810(12)(16)   
2240.0~1000.0 45681012(16)   
2550.0~1000.0  45681012(16)   
3060.0~1000.0    68101216   
35-0.009 -0.02570.0~1000.0    6810121620  
4080.0~1000.0      1012162024 
50100.0~1000.0       1216202430
[ ! ]M, N Sizes in ( ) are selectable when KA≥Mx2 and L-KC-C≥Nx2.
 

Alterations


Part Number 

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Part Number
Part NumberMinimum order quantityVolume DiscountDays to Ship RoHSShaft Dia. D
(mm)
Material Surface Finish Shaft Dia. Tolerance (Metric Only) Length L
(mm)
A
(mm)
Coarse Tapped [MD] Depth=Mx3 Coarse Tapped [M] Coarse Tapped [ND] Depth=Nx3 Coarse Tapped [N] Keyway (1) [KA]
(mm)

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More Information

Number of keyways can be specified up to 3.

Example

Rotary Shafts - Both Ends Tapped with Key Grooves:Related Image

Technical Information

Detailed Dimensions for Keyway & Threaded Relief of Rotary Shafts & Driving Shafts

Detailed dimensions of Keyway for Shaft Dia.(D·P·Q)
Detailed Dimensions for Keyway
Shaft Diameterbtr
Reference DimensionTolerance (N9)Reference DimensionTolerance
6-72-0.004
-0.029
1.20.1
-0
0.08-
0.16
8-1031.8
11-1240
-0.03
2.5
13-1753.00.16-
0.25
18-2263.5
23-3080
-0.036
4.0+0.2
0
31-38105.00.25-
0.4
39-44120
-0.043
5.0
45-50145.0

[ ! ]The example below shows the keyway shape for the specs KC, WKC, K=0, KC+A≥L and WKC+C+K+E>L.

Detailed Retaining Ring Groove Dimensions Rotary & Driving Shafts

Shaft Diameterd ToleranceSlot Width (m) ToleranceApplicable Retaining Ring
21.2+0.06
0
0.4+0.05
0
JIS E Type 1.2
2.51.50.5JIS E Type 1.5
32JIS E Type 2
430.7+0.1
0
JIS E Type 3
54+0.075
0
JIS E Type 4
65JIS E Type 5
760.9JIS E Type 6
87+0.09
0
JIS E Type 7
98JIS E Type 8
109.60/-0.091.15+0.14
0
JIS C Type 10
1110.50
-0.11
JIS C Type 11
1211.5JIS C Type 12
1312.4JIS C Type 13
1413.4JIS C Type 14
1514.3JIS C Type 15
1615.2JIS C Type 16
1716.2JIS C Type 17
18171.35JIS C Type 18
1918JIS C Type 19

[ ! ]An applicable retaining ring is attached.

Shaft Diameterd ToleranceSlot Width (m) ToleranceApplicable Retaining Ring
20190
-0.21
1.35+0.14
0
JIS C Type 20
2120JIS C Type 21
2221JIS C Type 22
2322JIS C Type 23
2422.9JIS C Type 24
2523.9JIS C Type 25
2624.9JIS C Type 26
2826.61.65JIS C Type 28
2927.6JIS C Type 29
3028.6JIS C Type 30
3230.30
-0.25
JIS C Type 32
3533JIS C Type 35
40381.9JIS C Type 40
4542.5JIS C Type 45
50472.2JIS C Type 50

Support Information

Basis of Fitting Selection/Dimensional Tolerances & Fitting

Difference between Shatf and Rotary Shaft

Comparison of specifications between linear shafts and shafts for rotary shafts

Basic Specifications
SpecificationsRotary ShaftsLinear Shafts
Material1045 Carbon Steel or Equivalent 304 Stainless Steel4137 Alloy Steel or Equivalent52100 Bearing Steel Equivalent SUS440C(13Cr) Stainless Steel Equivalent1045 Carbon Steel Equivalent or 304 Stainless Steel
Quenching/Hardness-Hardness 30-35HRCHigh-frequency quenching-
Outer Diameter Toleranceh9/h7g6g6/h5f8
Surface TreatmentNo plating
Black Oxide
Electroless Nickel Plating
Black Oxide
Electroless Nickel Plating
No Plating
Hard Chrome Plating
Low Temp. Black Chrome Plating
Electroless Nickel Plating (Only Surface Treatment Fully Plated Type)
Hard Chrome Plating
Alterations
AlterationsRotary ShaftsLinear Shafts
L Dimension ToleranceL<500: L±0.05
L≧500: L±0.1
L≧800: NOT applicable
L<200: L±0.03
200≦L<500: L±0.05
L≧500: L±0.1
Flat Key GroovesUp to 1 location specifiedUp to 2 locations specified
Set Screw FlatUp to 3 locations specifiedUp to 2 locations specified
2 Set Screw FlatUp to 1 location specified
Angle Specification: 15 Deg. Inc
Up to 2 locations specified
Angle Specification: Fixed
V-groove-Up to 2 locations specified
KeywayUp to 4 locations specified
Specified on step: Applicable
Up to 2 locations specified
Specified on step: NOT applicable
Change to Fine Threads1 type2 type
Change to Fine Threads Tap-1 type
UndercutM3~M30M6~M30
Tapped DepthApplicableApplicable
Retainning Ring GrooveUp to 2 locations on D and 1 locationon each step
*Can be chosen together
Up to 2 locations specified
(Only Retaining Ring type applicable)
Slit Cam GrooveUp to 1 location specified-
ConcentricityApplicable-
Left Hand ThreadApplicable-
SlitUp to 1 location specified-
C Chamfering WidthApplicable-

*Click here for information of Rotary Shaft Alteration Guide or Shaft Alteration Guide

 

Basic Information

Basic Shape Straight End Shape (Left) Tapped End Shape (Right) Tapped
Heat Treatment Not Hardened Keyway With Keyway

Additional Products in this Category

Complementary Products

MISUMI Unit Example related to this product

Tech Support