Down The Hole DTH Hammer Bit

 

High air pressure DTH bits are made with premium tungsten carbide tips and carbon steel. They are durable and frequently used in water well drilling, rock drilling, and mining hole drilling. Particularly when hard rocks are formed.

Our Down The Hole Hammer and rock drills are extremely efficient, have low failure rates, and have a long service life, allowing you to drill efficiently and inexpensively even in hard, highly abrasive rocks and other tough settings. Down The Hole Bit and drill rod interchangeable Our firm has both low and high pressure hammers. The DTH percussion technique delivers great drilling performance, particularly in difficult formations, and aids in the reduction of labor schedules.

Flat face DHD350 Down The Hole Hammer Bit is widely used in blast holes drilling, earthwork projects, geothermal exploration, mineral exploration, water well drilling and construction works.

Our mission:

Focus on drilling clients requirement and challenges, and continue to help them reduce drilling

costs and create greater productivity. Make the drilling works more successful.

 

 

 

 

 

 

 

Technical Parameters Of DHD350 COP54 DTH Hammers

Bit Shank	DHD350R/COP54/HD55
Hole Range	Φ135-152mm
Connection Thread	API 2 3/8" Reg API 3 1/2" Reg
Working Pressure	10-25Bar / 1-2.5Mpa
Air Consumption(m3/min)	14Bar	12
	24Bar	22.3
Length	1214mm
Weight	76.98Kg
Speed Recommend	30-60rpm
Pull Force Recommend	9.5KN

 

 

Technical Parameters Of DHD350 COP54 DTH Bits

Diameter		Gauge Buttons	Front Buttons				Weight(KG)	Part Number
mm	Inch		Flat Face	Convex Face	Concave Face	Face Type
140	5 1/2	Φ18*7	Φ14*3	Φ15*4	/	Convex Face	15.3	LR-DHD350-140CV
140	5 1/2	Φ16*8	Φ14*8	/	/	Flat Face	15.5	LR-DHD350-140FF
146	5 3/4	Φ18*8	Φ15*8	/	/	Flat Face	16.1	LR-DHD350-146FF
146	5 3/4	Φ18*8	Φ15*4	/	Φ14*3	Concave Face	16.0	LR-DHD350-146CC
152	6	Φ18*8	Φ15*8	/	/	Flat Face	16.6	LR-DHD350-152FF
152	6	Φ18*8	Φ16*4	/	Φ14*4	Concave Face	16.4	LR-DHD350-152CC

 

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