Underground Production and long hole drilling including:
1.Thread type:R32, TC35, T35, T38, T45, T51, ET51, ST58, ST68 Etc
2.Bit type:Ballistic,Full ballistic,Spherical,Trubbnos
3.Drill Bit:Standard bit, Retrac Button bit, Power bit, Dome bit, Hole Opener,12° taper angle,Pilot adapters,Dome reaming bit,Spiral skirt bit ,
4.Drill Rod:Hex Extension rod,light equipment, Round extension rod, Round speedrod, Round guide rod, Guide tube”champaign”, Guide tube front/shoulder
5. Couplings Sleeve:Central Stop, Full Bridge stop.
