DTH Drill Rods And RC Drill Rods

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2021年12月05日

Drill Rods SPT For Site Investigation

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Product Specifications:


DTH drill pipes are widely used in mining,water well drilling,geothermal,oil and all kinds of DTH rock drilling,with high quality low carbon steel to ensure good resistance to strengthen and tensile,friction welded to ensure the adapter and pipe connect tightly as a whole set the cyclic extrusion-compression ensure reliable pipe


 


Specification:


(2”) 50mm DTH drill pipe with API 2 3/8 REG 1000-3000m length


60mm DTH drill pipe with API 2 3/8 REG 1000-3000m length


(3”) 76mm DTH drill pipe with API 2 3/8 REG 1500-3000m length


(3 1/2”) 89mm DTH drill pipe with NC26( API 2 3/8 REG) 1500-3000m length


(4”) 102mm DTH drill pipe with NC31( API 2 7/8 REG) 1500-6000m length


(4 1/4”) 108mm DTH drill pipe with NC31( API 2 7/8 REG) 1500-6000m length


(4 1/2”) 114mm DTH drill pipe with NC31( API 2 7/8 REG)or NC35 1500-6000m length


(5”) 127mm DTH drill pipe with NC38( API 3 1/2 IF) 1500-6000m length




Product Specifications:


DTH drill rods with several different thickness designs for each diameter, made from different grade steels for selection. So, in practice of field drilling, under different condition, there may be in need of different kinds of drill rods for particular application. For example, the thicker ones with general high quality grade steel for drilling hole of average depth, such as blasting holes; and the thinner ones with better grade steel for drilling hole of very deep, such as drilling for ground thermal. Moreover, DTH drill rods are also well heat-treated, precision manufactured, and friction-welded.


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