Helical Taper Pin Reamers

1:48 taper, 1/4" per foot


The point of each reamer will enter the hole reamed by the next smaller size reamer.

Straight Shank

 

Taper Shank

Part Number

SIZE

S.E. Diameter

L.E. Diameter

Flute Length

No. of Flutes

Shank Dia.

OAL

SIZE

Number MTS

OAL

R279-9/0

9/0

.025

.041

3/4

2

1/8

1 3/4

9/0

-

-

R279-8/0

8/0

.033

.051

7/8

2

1/8

1 3/4

8/0

-

-

R279-7/0

7/0

.046

.067

1

2

1/8

1 3/4

7/0

-

-

R279-6/0

6/0

.060

.083

1 1/8

2

1/8

1 15/16

6/0

-

-

R279-5/0

5/0

.070

.098

1 3/8

2

1/8

2 3/16

5/0

-

-

R279-4/0

4/0

.085

.114

1 3/8

2

1/8

2 3/8

4/0

-

-

R279-3/0

3/0

.100

.131

1 1/2

2

9/64

2 5/8

3/0

-

-

R279-2/0

2/0

.114

.148

1 5/8

2

5/32

2 3/4

2/0

-

-

R279-0

0

.128

.170

2

2

11/64

3 1/8

R279-0TS

0

4 3/4

R279-1

1

.144

.191

2 1/4

2

3/16

3 1/2

R279-1TS

1

5 3/16

R279-2

2

.160

.212

2 1/2

2

13/64

3 3/4

R279-2TS

1

5 7/16

R279-3

3

.181

.241

2 7/8

2

15/64

4 1/4

R279-3TS

1

5 13/16

R279-4

4

.206

.271

3 1/8

2

17/64

4 3/4

R279-4TS

1

6 1/16

R279-5

5

.237

.310

3 1/2

2

5/16

5 1/4

R279-5TS

1

6 7/16

R279-6

6

.274

.365

4 3/8

2

23/64

6 1/8

R279-6TS

1

7 5/16

R279-7*

7*

.328

.435

5 1/8

2

13/32

7 1/8

R279-7TS1*

1

8 1/16

R279-7

7

.328

.435

5 1/8

2

-

-

R279-7TS

2

8 3/4

R279-8*

8*

.394

.521

6 1/8

2

7/16

8 1/2

R279-8TS1*

1

9 1/16

R279-8

8

.394

.521

6 1/8

2

-

-

R279-8TS

2

9 3/4

R279-9

9

.475

.610

6 1/2

4

9/16

8 3/4

R279-9TS

2

10 1/8

R276-10 add to cart

10

.567

.727

7 11/16

4

5/8

10 3/16

R279-10TS

2

11 7/16

R276-11
add to cart

11

.706

.878

8 1/4

6

7/8

11 1/4

R279-11TS

2

12

R276-12

add to cart

12

.842

1.050

10

6

1

13

R279-12TS

3

14 5/8

R276-13
add to cart

13

1.009

1.259

12

6

1

16

R279-13TS

4

17 5/8

R276-14
add to cart

14

1.250

1.541

14

6

1

18 1/4

R279-14TS

4

19 3/4

R276-15
add to cart

15

1.500

1.812

15

10

1 1/4

19 1/4

R279-15TS

5

22

R276-16

16

1.750

2.083

16

12

1 1/2

20 1/4

R279-16TS

5

23

Also furnished as Specials in Duplex style, extra length, special helix angle, end cutting, or with chip breakers. Straight shank will be provided unless squared or Morse Taper Shank is requested. Return to Newman Tools for resharpening.

*Specify No. Morse Taper Shank when ordering No. 7 or 8



link to Reamer index page

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