4 Inch DHD340A IR4 Secoroc COP44 High Air Pressure DTH Bit With Foot Valve

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4 Inch DHD340A IR4 Secoroc COP44 High Air Pressure DTH Bit With Foot Valve is fitted with cemented carbide inserts, which can provide you with superior service life and drilling productivity, so it is well known and extensively applied to all kinds of rock drilling cases around the world. No matter how difficult the engineering you're dealing with, our drill bits make it easier. Here is the 3-inch DTH drill bit at LEANOMS. WELCOM!

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  • 4 inch/DHD340A/IR4/Secoroc COP44
  • LEANOMS


4 Inch DHD340A IR4 Secoroc COP44 High Air Pressure DTH Bit With Foot Valve is fitted with cemented carbide inserts, which can provide you with superior service life and drilling productivity, so it is well known and extensively applied to all kinds of rock drilling cases around the world. No matter how difficult the engineering you're dealing with, our drill bits make it easier. Here is the 4 Inch DHD340A IR4 Secoroc COP44 High Air Pressure DTH Bit With Foot Valve at LEANOMS. WELCOM!


Diameter Gauge Buttons Front Buttons Weight(KG) Part Number
mm Inch Flat Face Convex Face Concave Face Face Type
115 4 1/2 Φ14*7 Φ14*2 Φ14*4 / Convex Face 8.2 LR-DHD340-115CV-1
115 4 1/2 Φ16*7 Φ14*2 Φ14*4 / Convex Face 8.2 LR-DHD340-115CV-2
115 4 1/2 Φ14*8 Φ14*2 Φ14*4 / Convex Face 8.2 LR-DHD340-115CV-3
125 4 15/16 Φ14*8 Φ13*3 Φ14*4 / Convex Face 8.8 LR-DHD340-125CV
127 5    Φ14*8 Φ13*7 / / Flat Face 8.9 LR-DHD340-127FF
130 5 1/8 Φ14*8 Φ14*7 / / Flat Face 9.1 LR-DHD340-130FF


Key Features and Benefits

lThe design with foot valve ensures the drill bit more stable with lower air and oil consumption

lSuper strength carbide ensures high quality and performance of products.

lSelecting optimal material makes service life longer in challenging applications.

lOptimized flushing designs to aid in cuttings removal and reduce wear.



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4 inch DTH bit is a widely used size for mining, quarrying, water well drilling and many other construction projects



DHD series dth bit

A comprehensive range of drilling tools means that you can find the most suitable products here, at LEANOMS.


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