Back to page

STANDARD REAMER Burr-Bit
Fractional, Number, Letter and Metric Sizes

Part #

Range

(in)

Description

Lips

O.D.

(in)

B

(in)

C

(in)

# of

Flutes

Shank

Diameter

0375-010

.1161/.1225

#32-#31

M3.0-M3.1

2

3/8

1- 3/16

13/16

4

.1120

0375-020

.1226/.1285

1/8-#30

M3.2-M3.25

2

3/8

1- 3/16

13/16

4

.1190

0375-030

.1286/.1355

M3.3-M3.4

2

3/8

1- 3/16

13/16

4

.1190

0375-040

.1356/.1400

#29

M3.5

2

3/8

1- 3/16

13/16

4

.1275

0375-050

.1401/.1465

#28-#27

M3.6-M3.7

2

3/8

1- 3/16

13/16

4

.1350

0375-060

.1466/.1515

#25-#26

M3.75-M3.8

2

3/8

1- 3/16

13/16

4

.1430

0375-070

.1516/.1585

#24-#22

M3.9-M4.0

2

3/8

1- 3/16

13/16

4

.1450

0375-080

.1586/.1655

#21-#20

M4.1-M4.2

3

3/8

1- 3/16

13/16

6

.1530

0375-081

.1656/.1715

#19-#18

M4.25-M4.3

3

3/8

1- 3/16

13/16

6

.1595

0375-090

.1716/.1765

11/64-#17

M4.4

3

3/8

1- 3/16

13/16

6

.1645

0375-091

.1766/.1795

#16

M4.5

3

3/8

1- 3/16

13/16

6

.1704

0375-092

.1796/.1845

#15-#14

M4.6

3

3/8

1- 3/16

13/16

6

.1755

0375-100

.1846/.1905

#13-#12

M4.7-M4.8

3

3/8

1- 3/16

13/16

6

.1805

0375-101

.1906/.1955

#11-#10

M4.9

3

3/8

1- 3/16

13/16

6

.1860

0375-110

.1956/.2005

#9-#8

M5.0

3

3/8

1- 3/16

13/16

6

.1895

0375-111

.2006/.2050

#7-#6

M5.1-M5.2

3

3/8

1- 3/16

13/16

6

.1945

0375-120

.2051/.2125

#5-#4

M5.25-M5.3

3

3/8

1- 3/16

13/16

6

.2016

0375-121

.2126/.2205

#3-7/32

M5.4-M5.6

3

3/8

1- 3/16

13/16

6

.2075

0500-010

.2206/.2235

#2-#1

M5.7-M5.9

3

1/2

17/32

1

6

.2173

0500-011

.2336/.2375

A - 15/64

M6.0

3

1/2

17/32

1

6

.2265

0500-020

.2376/.2475

B - D

M6.1-M6.25

3

1/2

17/32

1

6

.2329

0500-021

.2476/.2530

E - 1/4

M6.3-M6.4

3

1/2

17/32

1

6

.2405

0500-030

.2531/.2695

F - H

M6.5-M6.8

3

1/2

17/32

1

6

.2485

0500-040

.2696/.2840

I - 9/32

M6.9-M7.2

3

1/2

17/32

1

6

.2485

0562-010

.2841/.3015

L - N

M7.25-M7.6

3

9/16

1-11/16

1- 1/8

6

.2792

0562-020

.3016/.3240

5/16 - P

M7.7-M8.2

3

9/16

1-11/16

1- 1/8

6

.2792

0562-030

.3241/.3438

21/64-11/32

M8.25-M8.7

3

9/16

1-11/16

1- 1/8

6

.2792

0656-010

.3439/.3670

S -23/64

M8.75-M9.3

3

21/32

1-21/32

1

6

.3105

0656-020

.3671/.3880

U - W

M9.4-M9.8

3

21/32

1-21/32

1

6

.3105

0656-030

.3881/.4062

25/64-13/32

M9.9-M10.3

3

21/32

1-21/32

1

6

.3105

0656-040

.4063/.4230

Z - 27/64

M10.4-M10.7

3

21/32

1-21/32

1

6

.3730

0812-010

.4231/.4550

7/16-29/64

M10.75-M11.5

3

13/16

1- 7/8

1- 1/8

6

.3730

0812-020

.4551/.4688

15/32

M11.6-M11.8

3

13/16

1- 7/8

1- 1/8

6

.3730

0812-021

.4689/.4813

M11.9-M12.2

3

13/16

1- 7/8

1- 1/8

6

.4355

0812-030

.4814/.5010

31/64-1/2

M12.25-M12.5

3

13/16

1- 7/8

1-1 /8

6

.4355