Size

Decimal Equiv. (in.)

Diameter of Shank

Overall (in.)

Length Of Flute (in.)

A

0.2340

.2265-.2255

6

1-1/2

B

0.2380

.2329-.2319

6

1-1/2

C

0.2420

.2329-.2319

6

1-1/2

D

0.2460

.2329-.2319

6

1-1/2

E

0.2500

.2405-.2395

6

1-1/2

F

0.2570

.2405-.2395

6

1-1/2

G

0.2610

.2485-.2475

6

1-1/2

H

0.2660

.2485-.2475

6

1-1/2

I

0.2720

.2485-.2475

6

1-1/2

J

0.2770

.2485-.2475

6

1-1/2

K

0.2810

.2485-.2475

6

1-1/2

L

0.2900

.2792-.2782

6

1-1/2

M

0.2950

.2792-.2782

6

1-1/2

N

0.3020

.2792-.2782

6

1-1/2

O

0.3160

.2792-.2782

6

1-1/2

P

0.3230

.2792-.2782

6

1-1/2

Q

0.3320

.2792-.2782

6

1-1/2

R

0.3390

.2792-.2782

6

1-1/2

S

0.3480

.3105-.3095

7

1-1/2

T

0.3580

.3105-.3095

7

1-1/2

U

0.3680

.3105-.3095

7

1-1/2

V

0.3770

.3105-.3095

7

1-1/2

W

0.3860

.3105-.3095

7

1-1/2

X

0.3970

.3105-.3095

7

1-3/4

Y

0.4040

.3105-.3095

7

1-3/4

Z

0.4130

.3730-.3720

7

1-3/4