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DTH Drilling Bits drilling tools

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  • DTH Drilling Bits drilling tools
  • DTH Drilling Bits drilling tools

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What is the best drilling bit for drilling rocks？

We usually face many questions when choosing the best button bit for rock drilling. You don’t know what shape drill bit to choose? flat? Convex or concave? So it’s not very clear about the choice of alloy tooth shape? Should I choose ball teeth or ballistic teeth? Or sharp teeth or flat teeth? Drill bit selection is crucial for rock drilling as different types of rock require different types of drill bits to ensure efficient drilling process. There are several key factors to consider when choosing the best drill bit.

First of all, the material of the drill bit is very important. Tungsten Carbide Mining Rock Ballistic Drill Bits are a commonly used carbide drill bit with excellent wear resistance and corrosion resistance, suitable for various rock drilling jobs. Advantages of this drill include efficient drilling speeds, long life and consistent performance.

Secondly, the design of the drill bit is also an important factor affecting the drilling effect. Ballistic Drill Bits and Semi-ballistic button Bits are two common designs, as well as Domed Button and Sharp Button bits. They are suitable for different types of rocks. Ballistic Drill Bits are suitable for soft and medium-hard rock, while Semi-ballistic Button Bits are suitable for hard rock and gravel. Domed bit is suitable for very hard rock. However, the tines are suitable for high-speed drilling and soft rock with low-end tooth rates. Choosing the right design can improve drilling efficiency and reduce maintenance costs.

Finally, when choosing a drill bit, you also need to consider factors such as drill hole diameter, drill bit shape, and the way the drill bit is connected. Depending on your specific drilling needs and rock type, choosing the best drill bit can help increase productivity and reduce costs.

Overall, choosing the best drill bit is crucial for rock drilling. By understanding the advantages, applications and selection methods of drill bits, we can help you to better choose drill bits that suit your needs, thereby improving your work efficiency and saving costs.

Drill Bit Design 

钻头形状

 

Carbide Button Shape Selection:

齿形

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Product Detail

Product Tags

DHD3.5/DHD3.5A

Part Number Head Shape Head Diameter(mm) Buttons Port Holes weight(kg)
Guage  No. X Size Center No. X Size
66520001 Flat Face 90 6x14 5x12 2 4.70
66520002 Flat Face 95 6x14 5x12 2 4.80
66520003 Flat Face 100 6x14 6x12 2 4.90
66520004 Flat Face 108 8x13 6x12 2 5.40
DHD3.5

DHD340A-DHD340

Part Number Head Shape Head Diameter(mm) Buttons Port Holes weight(kg)
Guage  No. X Size Center No. X Size
66520005 Convex Face 108 7x16 6x14 2 7.85
66520006 Convex Face 115 7x16 6x14 2 8.22
66520007 Convex Face 127 8x16 4x14+3x13 2 8.88
66520008 Convex Face 130 8x16 4x14+3x13 2 9.15
DHD340

DHD350A-DHD350

Part Number Head Shape Head Diameter(mm) Buttons Port Holes weight(kg)
Guage  No. X Size Center No. X Size
66520009 Convex Face 140 7x18 4x15+3x14 2 15.80
66520010 Flat Face 146 8x18 8x14 2 16.50
66520011 Flat Face 152 8x18 8x14 2 17.00
66520012 Concave Face 165 8x18 4x16+4x14 2 18.90
66520013 Concave Face 178 8x18 6x16+5x14 2 20.40
DHD350

DHD360A-DHD360

Part Number Head Shape Head Diameter(mm) Buttons Port Holes weight(kg)
Guage  No. X Size Center No. X Size
66520014 Concave Face 154 8x18 4x16+4x15 2 22.50
66520015 Flat Face 165 8x18 8x16 2 23.60
66520016 Concave Face 171 8x18 6x16+4x15 2 25.20
66520017 Concave Face 178 8x18 6x16+5x15 2 26.10
66520018 Concave Face 190 9x18 6x16+5x15 2 29.00
66520019 Concave Face 203 10x18 8x16+6x15 2 30.40
DHD360

DHD380A-DHD380

Part Number Head Shape Head Diameter(mm) Buttons Port Holes weight(kg)
Guage  No. X Size Center No. X Size
66520020 Concave Face 203 10x18 4x18+10x16 2 48.50
66520021 Concave Face 216 10x19 4x18+10x16 2 52.10
66520022 Concave Face 230 12x18 12x18+6x16 2 54.80
66520023 Concave Face 235 12x18 12x18+6x16 2 55.50
66520024 Concave Face 254 12x18 12x18+8x16 2 62.40
66520025 Convex-Concave Face 275 12x18 8x16+19x16 2 69.00
66520026 Convex-Concave Face 305 15x18 12x16+23x16 2 77.60
DHD380

Mission30

Part Number Head Shape Head Diameter(mm) Buttons Port Holes weight(kg)
Guage  No. X Size Center No. X Size
66520049 Flat Face 90 6x14 5x12 2 4.80
66520050 Flat Face 95 6x14 5x12 2 4.90
66520051 Flat Face 100 6x14 6x12 2 5.10
66520052 Flat Face 108 8x13 6x12 2 5.40
DHD380

Mission40

Part Number Head Shape Head Diameter(mm) Buttons Port Holes weight(kg)
Guage  No. X Size Center No. X Size
66520053 Convex Face 108 7x16 6x14 2 7.80
66520054 Convex Face 115 7x16 6x14 2 8.20
66520055 Convex Face 127 8x16 4x14+3x13 2 9.20
66520056 Convex Face 130 8x16 4x14+3x13 2 9.30
M40

Mission50

Part Number Head Shape Head Diameter(mm) Buttons Port Holes weight(kg)
Guage  No. X Size Center No. X Size
66520057 Convex Face 140 7x18 4x15+3x14 2 13.90
66520058 Flat Face 146 8x18 8x14 2 14.60
66520059 Flat Face 152 8x18 8x14 2 15.00
66520060 Flat Face 165 8x18 9x14 2 17.00
66520061 Concave Face 178 8x18 6x16+5x14 2 18.50
M50

Mission 80

Part Number Head Shape Head Diameter(mm) Buttons Port Holes weight(kg)
Guage  No. X Size Center No. X Size
66520068 Concave Face 203 10x18 4x18+10x16 2 41.20
66520069 Concave Face 216 10x19 4x18+10x16 2 46.00
66520070 Concave Face 230 12x18 12x18+6x16 2 48.70
66520071 Concave Face 235 12x18 12x18+6x16 2 49.30
66520072 Concave Face 254 12x18 12x18+8x16 2 56.20
66520073 Convex-Concave Face 275 12x18 8x16+19x16 2 62.80
66520074 Convex-Concave Face 305 15x18 12x16+23x16 2 71.30
M80

QL40/QL40A

Part Number Head Shape Head Diameter(mm) Buttons Port Holes weight(kg)
Guage  No. X Size Center No. X Size
66520027 Convex Face 108 7x16 6x14 2 9.42
66520028 Convex Face 115 7x16 6x14 2 9.50
66520029 Convex Face 127 8x16 4x14+3x13 2 10.70
66520030 Convex Face 130 8x16 4x14+3x13 2 10.90
QL40

QL50/QL50A

Part Number Head Shape Head Diameter(mm) Buttons Port Holes weight(kg)
Guage  No. X Size Center No. X Size
66520031 Convex Face 140 7x18 4x15+3x14 2 15.30
66520032 Flat Face 146 8x18 8x14 2 16.00
66520033 Flat Face 152 8x18 8x14 2 16.50
66520034 Concave Face 165 8x18 4x16+4x14 2 18.50
66520035 Concave Face 178 8x18 6x16+5x14 2 20.00
QL50

QL60/QL60A

Part Number Head Shape Head Diameter(mm) Buttons Port Holes weight(kg)
Guage  No. X Size Center No. X Size
66520036 Concave Face 154 8x18 4x16+4x15 2 22.50
66520037 Flat Face 165 8x18 8x16 2 23.00
66520038 Concave Face 171 8x18 6x16+4x15 2 24.40
66520039 Concave Face 178 8x18 6x16+5x15 2 25.30
66520040 Concave Face 190 9x18 6x16+5x15 2 26.50
66520041 Concave Face 203 10x18 8x16+6x15 2 29.70
QL60

QL80/QL80A

Part Number Head Shape Head Diameter(mm) Buttons Port Holes weight(kg)
Guage  No. X Size Center No. X Size
66520042 Concave Face 203 10x18 4x18+10x16 2 48.20
66520043 Concave Face 216 10x19 4x18+10x16 2 51.90
66520044 Concave Face 230 12x18 12x18+6x16 2 54.70
66520045 Concave Face 235 12x18 12x18+6x16 2 55.30
66520046 Concave Face 254 12x18 12x18+8x16 2 62.20
66520047 Convex-Concave Face 275 12x18 8x16+19x16 2 68.80
66520048 Convex-Concave Face 305 15x18 12x16+23x16 2 77.30
QL80


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