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CIR130 Down The Hole DTH Drill Hammer For Mining Drilling Rocks
Down-the-hole rock tools (drilling tools) are rock drilling equipment which takes compressed air as power source to partially transfer impact power into drilling holes. An air distributing device in a top hammer controls a piston to move back and forth. A |
2017-07-11 |
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Tapered Tungsten Carbide Cross Rock Drill Bits For Drilling
Diameter of bits from 30mm to 50mm with 4 ,6,7,11,12 degree, premium alloy tapered drill steel with Hexagonal.22mm and Hexagonal.25mm,The deliver capacity are very strong and can completely meet customer's requirements on delivery design. |
2017-07-09 |
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CIR170 Down The Hole DTH Drill Hammer For Mining Drilling Rocks
When percussion or hammer drilling, the percussion mechanism is called a DTH or down the hole hammer. This drilling tool is located directly above the hammer bit. The driller transfers weight to the bit through the drill pipe as well as provides some rot |
2017-07-09 |
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CIR150 Down The Hole DTH Drill Hammer For Mining Drilling Rocks
This low air pressure DTH hammers are for holes of small to medium size drilling diameters. They work in low pressure range, capable of drilling shallow to medium hole lengths.Low air pressure hole Diameter: 65-220mm. |
2017-07-02 |
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