casing drilling system online manufacture

3"-15" Chevron Type Drag Drill Bits For Soft to Medium Formations Product specifications: 1) Drag bits are made according to API standard or no thread standard just welding. 2) Various step and chevron drag ... Read More

Conventional QL Series Down The Hole Hammer QL50 5 Inch Hammer For Shank QL50 Qualified High Air Pressure QL50 tubeless DTH Hammer, Mining Hammer 1, valveless air distribution. More reliable. 2, simple design ... Read More

High Quality Alloy Steel Materials 3' M30 Mission30 DTH Hammer For Efficient Drilling Technical parameter M30 DTH hammer: shank M30 Length(less bit) 955mm External diameter 82mm Top sub thread API 2 3/8REG ... Read More

External Diameter 82mm Black Color Cop32 DTH Hammer For Mining Technical parameter Cop32 DTH hammer: shank Cop32 Length(less bit) 923mm External diameter 82mm Top sub thread API 2 3/8REG Weight(less bit) 22.4kg ... Read More

Black Color Down The Hole Hammer DHD For Mining And Construction Product Description: The hammer is an essential part in DTH drilling tools. It can convert compressed air, which has high pressure, into a ... Read More

Working pressure 10 Bar-25 Bar 4' Cop44 DTH Hammer For Mining Technical parameter Cop44 DTH hammer: shank Cop44 Length(less bit) 1032mm External diameter 99mm Top sub thread API 2 3/8REG Weight(less bit) 40.7kg ... Read More

3"- 5.5" High Quality Steel Black Reverse Circulation RC Hammers for RC Drilling Product Introduce: Reverse Circulation (RC) drilling is used to collect mineral and rock samples quickly and efficiently using a ... Read More

6' High Air Pressure DTH Hammer for Water Wells, Oil, Gas and Construction Drilling Product description DTH system offers the very same advantages to the operator which it originally attracted to the quarry ... Read More

Src004 Reverse Circulation Drilling 4' Remet Thread RC Hammer for Grade Control Product Introduce: RC series reverse circulation Hammer is the latest developed product of our company. It is gaining recognition ... Read More

High Air Pressure SRC004 Reverse Circulation Drill Hammer For Exploration Product Introduce: R.C. Drilling,referred to as "Center Sample Recovery" or "Dual Wall Drilling", employs a Dual Wall Pipe where the ... Read More