®
Thread Turning Inserts
Threading Tools for the Oil & Gas Industries
API Round
EXTERNAL Ordering Code Right Hand 16 ER 10 API RD 16 ER 8 API RD
INTERNAL Ordering Code Right Hand 16 IR 10 API RD 16 IR 8 API RD
Pitch L
I.C.
Taper IPF
X
Y
TPI
in
10
16 3/8 0.75 16 3/8 0.75
1.5 1.4 1.3 1.6
8
Order example: 16 ER 10 API RD BMA
Multitooth
EXTERNAL Ordering Code
INTERNAL Ordering Code
Pitch TPI
L
I.C.
Number
Anvil
Anvil
X Y
in of Teeth
22 ER 10 API RD 2M AE22M 22 IR 10 API RD 2M 27 ER 10 API RD 3M AE27M 27 IR 10 API RD 3M 27 ER 8 API RD 2M AE27M 27 IR 8 API RD 2M
10 10
22 1/2 27 5/8 27 5/8
2 3 2
AI22M 2.4 3.7 AI27M 3.8 6.2 AI27M 3.0 4.5
8
Order example: 27 IR 10 API RD 3M MXC For recommended number of passes see page A04-4
For carbide grade and cutting speed see page A04-2 and 3
A01-32
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