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SHANK TYPES

ANSI/ASME B5.50 (CT)

DIMENSIONS IN mm TAPER SIZE

ØA

B

C

D

ØE

ØF UNC

ØH

J

K

L

R

±0.005

±0.010

Min

±0.0150

2B-TPI

±0.002

0-0.015

0-0.015

±0.010

±0.002

CT30

1.250

1.875

0.188

1.00

0.516

½’’-13

1.812

0.735

0.640

0.645

2.178

CT40

1.750

2.687

0.188

1.12

0.641

5/8 ‘’10

2.500

0.985

0.985

0.645

2.863

CT45

2.250

3.250

0.188

1.50

0.766

¾’’-10

3.250

1.235

1.235

0.770

3.613

CT50

2.750

4.000

0.250

1.75

1.031

1’’ – 8

3.875

1.485

1.485

1.020

4.238

DIMENSIONS IN mm TAPER SIZE

ØA

B

C

D

ØE

ØF

ØH

J

K

L

ØR

±0.127

±0.254

Min

±0.3800

6H

±0.050

0-0.381

0-0.381

±0.254

±0.050

CT30

31.75

47.625

4.775

25.40

13.106

M12

46.025

18.669

16.256

16.383

55.270

CT40

44.5

68.250

4.775

28.45

16.281

M16

63.500

25.019

22.606

16.383

72.720

CT45

57.15

82.550

4.775

38.10

19.456

M20

82.550

31.369

28.956

19.558

91.770

CT50

69.85

101.600

4.775

44.45

26.187

M24

98.425

37.719

35.306

25.908

107.645

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