CPT

®

Thread Turning Inserts

Chasers

API Buttress Casing

EXTERNAL Ordering Code 20 ER 5 BUT 0.75R 20 ER 5 BUT 0.75F

Pitch TPI

Taper IPF

No. of Teeth

L

X

Y

T

A

5 5

20 20

0.75 0.75

15.692 4.84 15.875 2.3

4.76 4.76

6° 6°

3 4

Order example: 20 ER 5 BUT 0.75F BMA

Chasers

OTTM Buttress Casing

EXTERNAL Ordering Code

Pitch TPI

Taper IPF

No. of Teeth

L

X

Y

T

A

20 ER 5 OTTM 0.75R 20 ER 5 OTTM 0.75F

5 5

20 20

0.75 0.75

15.692 4.79 15.909 2.25

4.76 4.76

6° 6°

3 4

Chasers to be used with compatible holders on the market Order example: 20 ER 5 OTTM 0.75F BMA

For carbide grade see page A04-2

A01-41

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