Drill stem

drill bits(1)
Drill stem(4)

Ruilong Drill Co.,Ltd

All Products >> Drill stem

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high efficiency drill rod
Specification: 28-146mm
Detail: High efficiency drill rod Craft: prestressed wire winding and welding on the basis of merits from German craft. Material: high pressure seamless alloy pipe (rod body); high wear-resistant T-shape strip steel (spiral); mediu...

geological spiral drill rod
Specification: 34-98mm
Detail: Geological spiral drill rod Spiral craft: prestressed wire winding and welding with single strip steel or double strip steel, based on the big torque of geological drill rod. Material of rod body: geological alloy pipe Mat...

prismatic drilling rod
Specification: 50-73mm
Detail: This is our patented product, designed and developed by R&D institution and our co***ny. (Patent No.:201020122744.8). Material: medium carbon alloy pipe (rod body); 42Crmo (connector). Craft: high pressure, thermal refining...

geological alloy rod
Specification: 34-98mm
Detail: Material of connector: first-class alloy constructional steel Craft: thermal refining in vacuum, which greatly improves the fatigue resistance and shearing strength. Rod body craft: friction welding, which improves the bend...


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Ruilong Drill Co.,Ltd All Products >> Drill stem

Ruilong Drill Co.,Ltd

All Products >> Drill stem