core hole drill bits online manufacture

BQU NQU HQU Underground Drilling Core Barrel Head Assembly Overshot 1.Faster coring at greater depths 2.Good stability due to constant diameter of the drill string 3.excellent hydraulics 4.Good core recovery ... Read More

Geological Surface Set Diamond Reaming Shells BQ NQ HQ RQ PQ with Core Bit Description: The surface set Reaming Shells are set natural diamonds outside of the shells, generally, with the stone size 20/30SPC. ... Read More

BOU NOU HOU Wireline Core Barrel Underground Drilling Core Barrel Head Assembly Overshot Underground Head Assembly features dual lip seals and a pump-in valve for faster tripping times and positive latch ... Read More

Wireline Diamond core barrel Assembly 3m / 1.5m BQ NQ HQ PQ Head Assembly The head assembly provides: latching and pivoting spearpoint mechanisms to allow insertion and retrieval of the inner tube assembly, a ... Read More

5ft / 10ft Diamond Double Tube Wireline Core Barrel System The head assembly provides: latching and pivoting spearpoint mechanisms to allow insertion and retrieval of the inner tube assembly, a bearing assembly ... Read More

High Penetration Open Hole Casing Shoe NW Tungsten Carbide TC Casing Shoe Bit Casing Shoes are diamond tools used to avoid material to collapse into the hole. Normally casing shoers are screwed on casing rods, ... Read More

AQ/BQ/NQ/HQ/PQ Diamond Reaming Shell For Geological Core Drilling Reaming Shells are used to maintain the critical hole diameter and to stabilize the drilling system in the hole during operation. The reaming ... Read More

High Penetration Open Hole Casing Shoe NW Tungsten Carbide TC Casing Shoe Bit Casing Shoes are diamond tools used to avoid material to collapse into the hole. Normally casing shoers are screwed on casing rods, ... Read More

(HQ) Drill Rod 88.9X77.8X5.5 Wireline Drill Rod for drilling rig Sinocoredrill WIRELINE drill rods are manufactured from the best quality cold drawn seamless steel tubes. Ultimate tensile strength, high ... Read More

NQ HQ PQ Reamer Diamond Reaming Shell Hole Opener Reaming Shell Description: Reamer is set with natural or synthetic diamond,and it is used to couple the dril bit with the core barrel. Its main function is to ... Read More