Welding of cone bit and PDC bit

PDC Hole Openers, are used to enlarge the pilot hole in Horizontal Directional Drilling(HDD).Widely used in construction, bridge, highway and railway construction.

This is a 7 blade Matrix body PDC bit , with Stinger cutters back row, used for very abrasive formation.

Tricone bit is an important tool for oil drilling.

GREAT DRILL customized Rock reamers size from 10'' to 72''.