Grteat BIt Drill Bit Shipping

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

Tricone bit is an important tool for oil drilling.

Steel body PDC bit is made by AISI 4145H heat treatment steel manufacture, it has lower cost compare with Matrix body 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.