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Catalog Number

Pitch

No. of
Teeth

Bore
A

Hub
Diameter
B

Pitch
Diameter
C

Outside
Diameter
D

Mounting Distance
+.000 -.002
E

Overall
Length
F

Hub
Length
H

Face
Width
J

M

Tap
Steel

QG-B20-1624S

20

16

0.250

0.703

0.800

0.904

1.125

0.729

0.493

0.218

0.218

M4

QG-B20-2416S

20

24

0.250

1.000

1.200

1.241

0.875

0.615

0.324

0.218

0.156

M4

QG-B32-1218S

32

12

0.125

0.312

0.375

0.440

0.500

0.325

0.198

0.112

0.094

M3

QG-B32-1812S

32

18

0.156

0.437

0.562

0.588

0.500

0.386

0.218

0.112

0.125

M3

QG-B48-1827S

48

18

0.125

0.312

0.375

0.419

0.500

0.321

0.198

0.112

0.094

M3

QG-B48-2718S

48

27

0.125

0.478

0.562

0.580

0.437

0.319

0.187

0.112

0.094

M3

QG-B64-1827S

64

18

0.125

0.250

0.281

0.314

0.437

0.300

0.216

0.080

0.094

M3

QG-B64-2718S

64

27

0.125

0.359

0.422

0.435

0.375

0.284

0.187

0.080

0.094

M3

Brass

QG-B20-1624B

20

16

0.250

0.703

0.800

0.904

1.125

0.729

0.493

0.218

0.218

M4

QG-B20-2416B

20

24

0.250

1.000

1.200

1.241

0.875

0.615

0.324

0.218

0.156

M4

QG-B32-1218B

32

12

0.125

0.312

0.375

0.440

0.500

0.325

0.198

0.112

0.094

M3

QG-B32-1812B

32

18

0.156

0.437

0.562

0.588

0.500

0.386

0.218

0.112

0.125

M3

QG-B48-1827B

48

18

0.125

0.312

0.375

0.419

0.500

0.321

0.198

0.112

0.094

M3

QG-B48-2718B

48

27

0.125

0.478

0.562

0.580

0.437

0.319

0.187

0.112

0.094

M3

QG-B64-1827B

64

18

0.125

0.250

0.281

0.314

0.437

0.300

0.216

0.080

0.094

M3

QG-B64-2718B

64

27

0.125

0.359

0.422

0.435

0.375

0.284

0.187

0.080

0.094

M3

Polyacetal

QG-B20-1624D

20

16

0.250

0.703

0.800

0.904

1.125

0.729

0.493

0.218

0.218

M4

QG-B20-2416D

20

24

0.250

1.000

1.200

1.241

0.875

0.615

0.324

0.218

0.156

M4

QG-B32-1218D

32

12

0.125

0.312

0.375

0.440

0.500

0.325

0.198

0.112

0.094

M3

QG-B32-1812D

32

18

0.156

0.437

0.562

0.588

0.500

0.386

0.218

0.112

0.125

M3

Bore Tolerance:  .125 & .156    (+.0007  -.0000)                                       Angular accuracy between shafts ±0° 5'.
                         .250              (+.0009  -.0000)                                       Shaft axes should intersect within ±.001

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