Threading Tools for the Oil & Gas Industries

API Round

EXTERNALINTERNAL
PitchLI.C.TaperOrdering CodeOrdering CodeXY
TPIinIPFRight HandRight Hand
10163/80.7516 ER 10 API RD16 IR 10 API RD1.51.4
8163/80.7516 ER 8 API RD16 IR 8 API RD1.31.6

Order example: 16 ER 10 API RD BMA

Multitooth

PitchLI.C.NumberEXTERNALAnvilINTERNALAnvilXY
TPIinof TeethOrdering CodeOrdering Code
10221/2222 ER 10API RD 2MAE22M22 IR 10API RD 2MAI22M2.43.7
10275/8327 ER 10API RD 3MAE27M27 IR 10API RD 3MAI27M3.86.2
8275/8227 ER 8API RD 2MAE27M27 IR 8API RD 2MAI27M3.04.5

Order example: 27 IR 10 API RD 3M MXC

For recommended number of passes see page A04-4