HDD Hole Openers

This is a type of sand drilling buckets with double bottom and double cutting edge.mainly used for drilling water-bearing sandy soil, sludge,

Cylindrical barrel & conical barrel (depends on customer demand).Hard facing strips around shell for wear protection an service life extending

Multiple types of high performance PDC cutter are strategically arranged on the bit for improved
service life the bit.

PDC is processed in line with API Spec Q1&API Spec7.Lake Petro supplies different kinds of drill bit from 4'' to 12 1/4'' for differert purposes

Drills-king concave bits pdc drill bits is mainly used for water well, geothermal well, geological exploration borehole, gas drainage hole

Drills-king concave bits pdc drill bits is mainly used for water well, geothermal well, geological exploration borehole, gas drainage hole

Step Drag Bits also named blade bits, with a Tungsten Carbide inserts on the blades.They are usually designed for use in soft formations