Factory for drill pipe 3m

Oil & gas drilling. since day one, center rock has served the oil and gas industry with quality down-the-hole hammers and bits ranging from 3.5″ – 48″ (89mm – 1219mm) and specifically designed to meet the rugged demands of deep hole drilling. with available on-site support, a consultative approach and 24/7 customer support, center rock is the oil and gas supplier of …

We are good quality supplier of dth drill bit, dth hammer, dth drill rods from china. army green dth down the hole drilling tools 178mm high air pressure flat face concave face dth drill bit, water well drill bits down the hole cir110 110mm no foot valve water hammer drilling 4" dhd 340a for hole blast drilling machine

The down the hole drill rig consists of a drill rod, a dth button bits and an impactor. when drilling, use two drill rod extensions to drill. rotary air supply mechanism consists of a rotary motor, a rotary reducer, and an air supply gyrator. slewing reducer is a three-stage cylindrical gear enclosed heterosexual component.

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