481 - 488 of 488
diameter 178mm dth drill bits
Selling leads
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...larger in diameter than the casing while in the drilling position. The face design of the The symmetric system Bit keeps it almost identical with a ...
2024-12-09 12:11:48
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... materials.It is composed of a hammer bit,a piston and an air chamber. The piston moves back and forth within the chamber,causing the bit to strike ...
2024-12-09 18:14:14
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... are returned to surface inside the rods. The drilling mechanism is a pneumatic reciprocating piston known as a hammer driving a tungsten-steel ...
2025-07-28 00:07:07
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... are returned to surface inside the rods. The drilling mechanism is a pneumatic reciprocating piston known as a hammer driving a tungsten-steel ...
2025-07-28 00:07:07
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... Footvalve For Shank SD12 Feature: 1. Deliver maximum energy to drilling bit, fast drilling speed and low air consumption. 2. Smooth performance ...
2024-12-09 12:11:40
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... and long service life of SOLLROC DTH hammer due to high quality alloy steel materials and advanced producing technology. 3. Low problem rate and ...
2024-12-09 12:11:40
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...essential part in DTH drilling tools. It can convert compressed air, which has high pressure, into a powerful impact force. The impact force is ...
2025-07-28 00:07:07
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... and strong force that breaks the rock formation when is used in conjunction with the hammer bit. The titanium-coated hammers are designed in ...
2025-07-28 00:07:07
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