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..."IN STOCK"... Supplying High Quality Tools and Supplies for Machine Shops, Plant Engineering and Maintenance since 1955

Helical Chucking Reamers

High Speed Steel High Helix with Straight Shank

horz. bar

SIZE

Flute Length

No. of Flutes

Straight
Shank Dia.

Taper Shank
# MTS

OAL

.0469-.0625

1/2

4

1/8

-

2 1/2

.0626-.0781

3/4

4

1/8

-

3

.0782-.0938

3/4

4

1/8

-

3

.0939-.1094

7/8

4

1/8

-

3 1/2

.1095-.1250

7/8

4

1/8

-

3 1/2

.1251-.1406

1

4

1/8

-

4

.1407-.1563

1

4

1/8

-

4

.1564-.1719

1 1/8

6

1/8

-

4 1/2

.1720-.1875

1 1/8

6

5/32

-

4 1/2

.1876-.2031

1 1/4

6

5/32

-

5

.2032-.2188

1 1/4

6

3/16

-

5

.2189-.2344

1 1/2

6

3/16

-

6

.2345-.2500

1 1/2

6

7/32

1

6

.2501-.2656

1 1/2

6

7/32

1

6

.2657-.2813

1 1/2

6

1/4

1

6

.2814-.2969

1 1/2

6

1/4

1

6

.2970-.3125

1 1/2

6

1/4

1

6

.3126-.3281

1 1/2

6

1/4

1

6

.3282-.3438

1 1/2

6

4/16

1

6

.3439-.3594

1 3/4

6

4/16

1

7

.3595-.3750

1 3/4

6

5/16

1

7

.3751-.3906

1 3/4

6

5/16

1

7

.3907-.4063

1 3/4

6

3/8

1

7

.4064-.4219

1 3/4

6

3/8

1

7

.4220-.4375

1 3/4

6

3/8

1

7

.4376-.4531

1 3/4

6

3/8

1

7

.4532-.4688

1 3/4

6

7/16

1

7

.4689-.4844

2

6

7/16

1

8

.4845-.5000

2

6

7/16

1

8

.5001-.5313

2

6

7/16

1

8

.5314-.5625

2

6

1/2

1

8

 

Flute diameters are held to a tolerance of .0002". Plus tolerance will be provided unless otherwise specified. Left hand spiral, right hand cut will be provided unless otherwise specified. Left hand spiral, right hand cut available in all sizes. Right hand spiral, right hand cut available 1/8 inch and larger. Also furnished as Specials with extra length, special helix angle, end cutting or in larger diameters. Premium material and all surface treatments available upon request.

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