77.8mm
Hq And Hr Drill Rod,Ground Rod Drill Bit,Stainless Steel Drill Rod,Drill Machine Rod Jinan Allianz machinery Co.Ltd , https://www.aprdrill.com
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MAXIMUM DIAMETER
2300mm
MAXIMUM THICKNESS
1200mm
MAXIMUM WEIGHT
8000KGS
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HR series drilling rod is interchangeable with Q series coring drilling rod that is common in the international geological exploration industry. Taper threaded connection is adopted to facilitate connection and prevent stuck, and thread surface is hardened to greatly prolong service life of the thread.
Application:
HR series drill rod is interchangeable with RQ series coring drilling rod that is common used in the international geological exploration industry for deep holes.
Material:
ASTM 4130
O.D:
88.9mm
I.D: