4 1 2 inch hq drill rod

Brand Name:ROSCHEN

Model Number:Extension Drill Rod

Place of Origin:Germany

...50, 60, 70, 90 Extension Drill Rod FEATURES: • Strictly controlled manufacturing processes • Substantial increase in tensile and torsional strengths • Improved fatigue resistance • Customisable configurations ...

Brand Name:cge

Model Number:H/WL

Place of Origin:Wuxi

HW DCDMA Borehole Wireline Drill Pipe Casing For Geotechnical Environmental Drilling HW DCDMA borehole wireline casing tubes This casing is intended for single use or situations where the casing is left in the hole. The HW casing is made from DCDMA tubing...

Place of Origin:China

Brand Name:EST

Model Number:all types

... 3 threads/inch thread tooth height box thread: 0.76 mm pin thread: 0.88 mm thread tooth angle 29° global standard for wireline coring Raw materials: Tangshan Jinshi only choose the best steel tubes in the market to manufacture our rods and pipes.

Brand Name:PEERCHEER

Model Number:NQ

Place of Origin:WuXi

...HQ PQ AQ Core Drill Rod Drill Pipe Casing Core Barrel Despite its importance in geological exploration, drilling with a core barrel can be a challenging and time-consuming process. The drilling rig must be carefully positioned and stabilized to prevent it from toppling over, while the barrel must be carefully guided through the ground to ensure that it collects accurate samples. SIZE CORE DIAMETER HOLE DIAMETER mm inch mm inch...