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DHD350 152mm Hole Hammer Drilling Dth Bit

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DHD350 152mm Hole Hammer Drilling Dth Bit

Name: DHD350 152mm Hole Hammer Drilling Dth Bit
Brand: MIROC
Price: 1 USD

Best DHD350 152mm Hole Hammer Drilling Dth Bit wholesale

Brand Name : MIROC

Model Number : DHD350 152mm

Certification : ISO

Place of Origin : CHIAN

Type : DTH hammer bit

Material : High Manganese Steel, Carbide

Use : Ore Mining

Model Type : Cop, QL, SD, DHD, NUMA, Mission,

Diameter : 57mm to 660mm

Steel Grade : FF710

Color : Red, Yellow, Gold,Green,

Use Air Compressor : Low/High air pressure drill bits

Aplication : Quarry drilling,coal mining,DTH drilling

Advantage : High-efficiency

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DHD350 152mm Hole Hammer Drilling Dth Drill Bit

High pressure DHD350 hammer bit Description: In DTH drilling, drill rods and bits are the most important parts of the drilling process. When working, the drill rods transmit the necessary feed force and rotation to hammer and bit plus compressed air or fluids for the hammer and flushing of cuttings, the hammer is located between the drill rod and bit. As the hole gets deeper, the length of drill rod must be increased, so one and one drill rods are needed to increase the total length of the drill rods.

Flat Face
An universal design, especially for hard and abrasive rock formation. Typically, flat face with hemispherical buttons design is the most popular choice. This kind of face shape is suitable for hard to very hard and abrasive rock formations in application with high air pressure. Good penetration rates an resistance to steel wash.

Dome/Hemispherical Buttons
Universal buttons for all rock formation, best suited to hardest and very abrasive rock formation.

Semi-Ballistic/Parabolic Buttons
Excellent penetration rate, but only suited to medium hard and not so very abrasive rock formation.

For 5" hammer	Bit Dia.		No.	Gauge	Front	Weight	Part No.
DTH bits shank	mm	inch	Air Holes	Buttons	Buttons	(Kg)	Part No.
DHD350R/COP54	133	5 1/4"	2	7×φ16	6×φ14	15	DHD350-133
	140	5 1/2"	2	7×φ18	7×φ14	16	DHD350-140
	146	5 3/4"	2	8×φ18	7×φ14	17	DHD350-146
	152	6"	2	8×φ18	8×φ14	17.5	DHD350-152
	165	6 1/2"	2	8×φ18	8×φ16	18.5	DHD350-165

DHD350 152mm Hole Hammer Drilling Dth Bit

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DHD350 152mm Hole Hammer Drilling Dth Bit

DHD350 152mm Hole Hammer Drilling Dth Bit

Hole Hammer Drilling Dth Bit

152mm Dth Bit

DHD350 Dth Bit

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