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High air pressure DTH drill bit
High Air Pressure DTH Drill Bit

Technical Parameter

3" DTH drill bit:

  Bit Dia.(mm) NO.Button size  
Number Model mm in Gauge button Mid button Front button Gauge tooth angle NO.Flushing holes(PCS) Weight (KG)
G001 G90-DHD3.5-10QZ-40-B14 90 3 9/16 6*14   4*12 40° 2 4.8
G002 G95-DHD3.5-12QZ-40-B14 95 3 3/4 7*14   5*12 40° 2 5
G003 G100-DHD3.5-12QZ-40-B14 100 3 15/16 7*14   5*14 40° 2 5.3
G004 G105-DHD3.5-12QZ-40-B14 105 4 1/8 7*14   5*14 40° 2 5.5
G005 G110-DHD3.5-13QZ-40-B14 110 4 1/3 7*14   6*14 40° 2 5.8

Note: Also available in BR3, COP32, QL30 link structure.

4" DTH drill bit:

  Bit Dia.(mm) NO.Button size  
Number Model mm in Gauge button Mid button Front button Gauge tooth angle NO.Flushing holes(PCS) Weight (KG)
G006 G105-DHD340-13QZ-40-B14 105 4 1/8 7*14 4*14 2*14 38° 2 7.6
G007 G110-DHD340-13QZ-40-B16 110 4 5/16 7*16 4*14 2*14 38° 2 7.8
G008 G115-DHD340-13QZ-40-B16 115 4 1/2 7*16 4*14 2*14 38° 2 8.2
G009 G120-DHD340-13QZ-40-B16 120 4 3/4 7*16 4*14 2*14 38° 2 8.7
G010 G125-DHD340-14QZ-40-B16 125 4 15/16 7*16 4*14 3*14 38° 2 8.9
G011 G130-DHD340-14QZ-40-B16 130 5 1/8 7*16 4*14 3*14 38° 2 9.4
G012 G140-DHD340-14QZ-40-B18 140 5 1/2 7*18 4*14 3*14 38° 2 9.8
G013 G150-DHD340-16QZ-40-B18 150 6 8*18 5*14 3*14 38° 2 10.3

Note: Also available in Mission 40, Ql40, S40, K4 link structure.

5" DTH drill bit:

  Bit Dia.(mm) NO.Button size  
Number Model mm in Gauge button Mid button Front button Gauge tooth angle NO.Flushing holes(PCS) Weight (KG)
G014 G132-DHD350-14QZ-40-B18 132 5 3/16 7*18 4*15 3*14 40° 2 14.9
G015 G138-DHD350-14QZ-40-B18 138 5 1/2 7*18 4*15 3*14 40° 2 15.2
G016 G146-DHD350-16QZ-40-B18 146 5 3/4 8*18   8*14 40° 2 15.8
G017 G152-DHD350-16QZ-40-B18 152 6 8*18   8*14 40° 2 18.2
G018 G165-DHD350-19QZ-40-B18 165 6 1/2 9*18 6*16 4*16 40° 3 22
G019 G180-DHD350-19QZ-40-B18 180 7 7/8 9*18 6*16 4*16 40° 3 19.5
G020 G190-DHD350-19QZ-40-B18 190 7 1/2 9*18 6*16 4*16 40° 3 22.5
G021 G195-DHD350-19QZ-40-B18 195 7 11/16 9*18 6*16 4*16 40° 3 22.9

Note: Also available in Mission 50, Ql50, QSS50, K5 link structure.

6" DTH drill bit:

  Bit Dia.(mm) NO.Button size  
Number Model mm in Gauge button Mid button Front button Gauge tooth angle NO.Flushing holes(PCS) Weight (KG)
G022 G152-DHD360-16QZ-40-B18 152 6 1/16 8*18   8*16 40° 2 22.9
G023 G165-DHD360-16QZ-40-B18 165 6 1/2 8*18   8*16 40° 2 23.3
G024 G180-DHD360-19QZ-40-B18 180 7 1/16 9*18 6*16 4*16 40° 3 25.8
G025 G190-DHD360-19QZ-40-B18 190 7 1/2 9*18 6*16 4*16 40° 3 28
G026 G195-DHD360-19QZ-40-B18 195 7 5/8 9*18 6*16 4*16 40° 3 29.7
G027 G203-DHD360-24QZ-40-B18 203 8 10*18 8*18 6*16 40° 2 31
G028 G216-DHD360-24QZ-40-B18 216 8 1/2 10*18 8*18 6*16 40° 2 33.6

Note: Also available in Mission 60, Ql60, SD6, K6 link structure.

8" DTH drill bit:

  Bit Dia.(mm) NO.Button size  
Number Model mm in Gauge button Mid button Front button Gauge tooth angle NO.Flushing holes(PCS) Weight (KG)
G029 G203-DHD380-24QZ-40-B18 203 8 10*18 8*18 6*16 40° 2 47.8
G030 G216-DHD380-24QZ-40-B18 216 8 1/2 10*18 8*18 6*16 40° 2 52.9
G031 G219-DHD380-24QZ-40-B18 219 8 5/8 10*18 8*18 6*16 40° 2 54
G032 G229-DHD380-25QZ-40-B18 229 9 10*18 8*18 7*16 40° 2 57
G033 G235-DHD380-32QZ-40-B18 235 9 1/4 12*18 12*18 8*16 40° 2 57.5
G034 G254-DHD380-32QZ-40-B18 254 10 12*18 12*18 8*16 40° 2 61
G035 G278-DHD380-41QZ-40-B18 278 11 12*18 20*18 9*16 40° 2 71

Note: Also available in Mission 80, Ql80, SD8, K8 link structure.