®
Thread Turning Inserts
Chasers API Buttress Casing
EXTERNAL Ordering Code
Pitch TPI
Taper IPF
No. of Teeth
L
X
Y
T
A
25 ER 5 BUT 0.75 5T
5
25
0.75
15.871
2.5
5
10°
5
INTERNAL Ordering Code
Pitch TPI
Taper IPF
No. of Teeth
L
X
Y
T
A
25 IR 5 BUT 0.75 5T
5
25
0.75
15.875
2.5
5
10°
5
Order example: 25 IR 5 BUT 0.75 5T BMA
Chasers OTTM Buttress Casing
INTERNAL Ordering Code
Pitch TPI
Taper IPF
No. of Teeth
L
X
Y
T
A
25 IR 5 OTTM 0.75 5T
5
25
0.75
15.75
2.5
5
10°
5
Chasers to be used with compatible holders on the market Order example: 25 IR 5 OTTM 0.75 5T BMA
For carbide grade see page A04-2
A01-43
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