Letter Sizes Series 555

DRILLS JOBBER LETTER 118°

DRILL DIA

FLUTE LENGTH

OAL

PART #

A

0.234"

2”

3-1/4”

555-2344

B

0.238"

2”

3-1/4”

555-2380

C

0.242"

2”

3-1/4”

555-2420

D

0.246"

2”

3-1/4”

555-2460

E

0.250"

2”

3-1/4”

555-2500

F

0.257"

2”

3-1/4”

555-2570

G

0.261"

2-1/8”

3-1/2”

555-2610

H

0.266"

2-1/8”

3-1/2”

555-2660

I

0.272"

2-1/8”

3-1/2”

555-2720

J

0.277"

2-1/8”

3-1/2”

555-2770

K

0.281"

2-1/8”

3-1/2”

555-2810

L

0.290"

2-1/8”

3-1/2”

555-2900

M

0.295"

2-3/8”

3-3/4”

555-2950

N

0.302"

2-3/8”

3-3/4”

555-3020

O

0.316"

2-3/8”

3-3/4”

555-3160

P

0.323"

2-3/8”

3-3/4”

555-3230

Q

0.332"

2-1/2”

4”

555-3320

R

0.339"

2-1/2”

4”

555-3390

S

0.348"

2-1/2”

4”

555-3480

T

0.358"

2-3/4”

4-1/4”

555-3580

U

0.368"

2-3/4”

4-1/4”

555-3680

V

0.377"

2-3/4”

4-1/4”

555-3770

W

0.386"

2-7/8”

4-1/2”

555-3860

X

0.397"

2-7/8”

4-1/2”

555-3970

Y

0.404"

2-7/8”

4-1/2”

555-4040

Z

0.413"

2-7/8”

4-1/2”

555-4130