Alloy Steel Minning Drill Rod
1.type:BQ,NQ,HQ,PQ series
2.international standard
3.superior quality
4.can deliver to customers promptly
5.can be obtained from us directly at any time



Main Feature
1.applicable hard,very hard and medium soft rock formations.
2.Reliable quality, long service life, rare abnormal breakage during service life.
3.Good flushing effect to ensure high drilling rate
4.Strict quality warranty and compensation rules

Technical Data: