WE ARE ONE SPECIALIST MAKER OF ROCK DRILL BIT, INCLUDING TRICONE BIT AND OTHER ROCK DRILLING TOOLS.

OUR TRICONE BIT ARE DEVIDED INTO TWO SERIES: STEEL TOOTH TRICONE BIT AND TUNGSTEN CARBIDE INSERTED TRICONE BIT.

THE AVAILABLE SIZES AND SOME PIN CONNECTION SIZE AS FOLLOWS:

 Bit Size                 API reg Pin            

6" ( 152mm)              3-1/2"                  
6-3/4" (171mm)         3-1/2"                
7-7/8" (200mm)         4-1/2"                  
8-1/2" (216mm)         4-1/2"                
9-7/8" (250mm)         6-5/8"                  
12-1/4" (310mm)       6-5/8"          

15" (380mm)              7-5/8"