casing drilling system online manufacture

135mm-155mm Shank QL50 DTH Drill Bits with Carbide Buttons for Blasting Product description DTH drilling is very simple method for the operators for deep and straight hole drilling. In the hole range 100-254 mm ... Read More

Water Well Drilling Down The Hole Hammer 6 Inch Shank QL60 Features: Valveless air distribution. More reliable. Simple design of the piston. Long life. More efficient energy transfer, fact drilling speed, lower ... Read More

Wide application range Rock Drilling SRC004 Reverse Circulation Hammer Main Features: 1) Simple structure ensure the easy operation and maintenance. 2) Adopting advanced world famous brand components in ... Read More

SD5 Drilling Tools Carburized Steel 5' DTH Hammer For Water Well Drilling SD5 Drilling Tools Carburized Steel 5' DTH Hammer For Water Well Drilling Feature Tough construction Can withstand high pressure ... Read More

No Footvalve Type 3' DHD3.5 DTH Drill Hammer For Water Well Drilling Product introduction: Down-the-hole rock tools (drilling tools) are rock drilling equipment which takes compressed air as power source to ... Read More

M50 2 3/8' API REG Pin Hammer without Foot Valve for Hard Ground Drilling Product description DTH hammer is a percussion system driving a piston inside hammer body with up and donw motion by compressed air and ... Read More

Ql60 High Air Pressure DTH Hammer with Fast Drilling Speed for Well Drilling Product description: DTH drilling is a percussion system driving a piston inside hammer body with up and down motion by compressed ... Read More

4' DTH Hammer with External Diameter 99mm and 2 3/8' API REG for Well Drilling Product description: A down-the-hole hammer (DTH hammer) is a tool that can be attached to the end of a drill string and inserted ... Read More

DTH Hammer from 1'-12' Compatible with Bit Shank (Cop, DHD, Ql, Mission, SD) for Drilling Product description: DTH hammer is a percussion system driving a piston inside hammer body with up and donw motion by ... Read More

Black Color High Air Pressure DHD3.5 API 2 3/8' Reg 3' DTH Hammer For Mining Black Color High Air Pressure DHD3.5 API 2 3/8' Reg 3' DTH Hammer For Mining Feature Simple and reasonable design, easy to assemble ... Read More