Top Hammer Drill Tools DTH hammer bits for rock drilling

    Brief Introduction

    DTH (Down The Hole) bits are widely used for open-pit mining, quarry, hydropower engineering, well drilling and excavation side column support, etc.

    We can supply DTH bits from 85mm to 305mm. The main products are:Similar or equal DHD, COP and SD series hammers, our DTH bits range from 85mm, 90mm, 95mm, 100mm, 105mm, 110mm, 115mm 120mm, 127mm, 133mm, 140mm, 146mm, 152mm, 165mm, 175mm, 190mm, 203mm, 216mm 254mm, 305mm, etc.

Description:

Series

1 Low pressure bit

2 Medium Pressure bit

3 High Pressure bit

4 Reverse Circulation bit

 

Advantage

1. Suitable for medium to medium hard formation of high Crushing Resistance (hard shale,sands,etc.)

2. Bit bearing is non-sealed roller bearing.

3. Hardfacing is applied on the shirttail, and carbide inserts for gage protection are pressed into the head OD.

4. Cone gage surface is reinforce with carbide compacts.

5. Partial top spoon shaped inner row of teeth, the wedge outer row of teeth is not equidistant teeth, in the back cone tooth and the outer row of teeth between adds a row of trimming gear.

6. High compressive strength, hard and abrasive high formation, such as limestone, dolomite, sandstone, chert and other.

7. Bit size and buttons can be customized.

Parameter

Hammer type

Size of the bit

Face design

API thread

Outside diameter

Wrench flat

Weight

Work pressure

G24(2")

76/80mm

Flat/Concave/Convex

F42×10×1.5

70mm

55mm

20kg

6-25 bar

G3.5(3")

90-100mm

Flat/Concave/Convex

2 3/8" REG

80mm

65mm

25kg

6-25 bar

G44(4")

105-130mm

Flat/Concave/Convex

2 3/8" REG

99mm

74mm

40kg

6-25 bar

G54(5")

134-152mm

Flat/Concave/Convex

2 3/8" REG

3 1/2" REG

124mm

7495mm

75kg

6-25 bar

G64(6")

152-254mm

Flat/Concave/Convex

3 1/2" REG

137mm

95mm

98kg

6-25 bar

G84(8")

203-305mm

Flat/Concave/Convex

4 1/2" REG

182mm

148mm

198kg

6-25 bar

Ps: We can also make the products according to your drawings or sample.

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