Drag bits - Tricones

Drag bits
Drag bits - Types and measures
Dia. 2-5/8"    ( 66 mm ) Thread 50 mm / AW
Dia. 3"          ( 76 mm ) Thread 50 mm / AW
Dia. 3-3/8"    ( 86 mm ) Thread 50 mm / AW
Dia. 4"        ( 101 mm ) Thread 2 3/8" API reg
Dia. 4-1/2"  ( 114 mm ) Thread 2 3/8" API reg
Dia. 5"        ( 127 mm ) Thread 2 3/8" API reg
Dia. 160 mm. Thread 3 1/2" API reg
Dia. 165 mm. Thread 3 1/2" API reg
Dia. 175 mm. Thread 3 1/2" API reg
Dia. 185 mm. Thread 3 1/2" API reg
Dia. 200 mm. Thread 3 1/2" API reg
Dia. 220 mm. Thread 3 1/2" API reg
Dia. 250 mm. Thread 3 1/2" API reg


Tricones
Tricones
Dia. 3-1/2"   ( 89 mm ) Thread 2 3/8" API reg 
Dia. 4"       ( 101 mm ) Thread 2 3/8" API reg 
Dia. 4-1/2" ( 114 mm ) Thread 2 3/8" API reg 
Dia. 5-1/4" ( 133 mm ) Thread 2 3/8" API reg 
Dia. 6-1/2" ( 165 mm ) Thread 3 1/2" API reg