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DTH Drill Bits

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Down-The-Hole Drilling Tools

DTH drill bits are used to drill holes with a large diameter. It is widely used in the urban construction industry, most commonly used before blasts are conducted on construction sites.

DTH Drill Bits
3” High air pressure DTH bits D Button Air Holes Weight kg Part No.
mm in Gauge Qty. × Dia. Front Qty. × Dia.
85 90 95 100 105 3 3/8 " 3 1 /2 " 3 11/ 16 " 3 15/1 6" 4 1/8 " 6×13 6×14 6×14 8×12 6×12 4×12 4×12 4×13 6×12 6×12 2 2 2 2 2 15.0 16.0 17.0 17.5 18.5 CO P32-85 CO P32-90 CO P32-95 COP32- 100 COP32- 105
85 90 95 100 105 3 3/8 " 3 1 /2 " 3 11/ 16 " 3 15/1 6" 4 1/8 " 6×13 6×14 6×14 8×12 6×12 4×12 4×12 4×13 6×12 6×12 2 2 2 2 2 15.5 16.0 16.5 17.0 18.0 BR3-85 BR3-90 BR3-95 BR 3- 100 BR 3- 105
85 90 95 100 105 3 3/8 " 3 1 /2 " 3 11/ 16 " 3 15/1 6" 4 1/8 " 6×13 6×14 6×14 8×12 6×12 4×12 4×12 4×13 6×12 6×12 2 2 2 2 2 15.5 16.0 16.5 17.0 18.0 HD 35-85 HD 35-90 HD 35-95 HD35- 100 HD35- 105
85 90 95 100 105 3 3/8 " 3 1 /2 " 3 11/ 16 " 3 15/1 6" 4 1/8 " 6×13 6×14 6×14 8×12 6×12 4×12 4×12 4×13 6×12 6×12 2 2 2 2 2 12.5 13.5 14.0 14.4 15.0 XL 30-85 XL 30-90 XL 30-95 X L 30- 100 X L 30- 105
4” High air pressure DTH bits D Button size Air Holes Weight Part No.
mm in Gauge Qty. × Dia. Front Qty × Dia.
105 110 115 120 127 4 1 /8 " 4 1 /3 " 4 1 /2 " 4 3 /4 " 5 6×14 7×13 7×14 8×14 8×14 5×13 6×12 7×13 6×14 6×14 2 2 2 2 2 8.5 8.8 9.0 9.8 11.0 HD45- 105 HD45-110 HD45-115 HD45- 120 HD45- 127
105 110 115 120 127 4 1 /8 " 4 1 /3 " 4 1 /2 " 4 3 /4 " 5 6×14 7×13 7×14 8×14 8×14 5×13 6×12 7×13 6×14 6×14 2 2 2 2 2 9.0 9.5 9.8 11.5 12.3 SD 4- 105 SD 4- 110 SD 4- 115 SD 4- 120 SD 4- 127
105 110 115 120 127 4 1 /8 " 4 1 /3 " 4 1 /2 " 4 3 /4 " 5 6×14 7×13 7×14 8×14 8×14 5×13 6×12 7×13 6×14 6×14 2 2 2 2 2 9.0 9.2 9.5 10.3 11.5 QL 40- 105 QL 40- 110 QL 40- 115 QL 40- 120 QL 40- 127
105 110 115 120 127 4 1 /8 " 4 1 /3 " 4 1 /2 " 4 3 /4 " 5 6×14 7×13 7×14 8×14 8×14 5×13 6×12 7×13 6×14 6×14 2 2 2 2 2 6.0 6.2 6.6 7.6 7.4 M 40- 105 M40- 110 M40- 115 M 40- 120 M 40- 127
5” High air pressure DTH bits D Button size Air Holes Weight Part No.
mm in Gauge Qty. × Dia. Front Qty × Dia.
133 140 146 152 165 5 1/4 " 5 1/2 " 5 3/4 " 6 6 1/2 " 7×16 7×14 8×18 8×18 8×18 6×14 7×14 7×14 8×14 6×16 2 2 2 2 2 15.0 16.0 17.0 17.5 18.5 HD 45- 133 HD 45- 140 HD 45- 146 HD 45- 152 HD 45- 165
133 140 146 152 165 5 1/4 " 5 1/2 " 5 3/4 " 6 6 1/2 " 7×16 7×14 8×18 8×18 8×18 6×14 7×14 7×14 8×14 6×16 2 2 2 2 2 15.5 16 16.5 17 18 SD 5- 133 SD 5- 140 SD 5- 146 SD 5- 152 SD 5- 165
133 140 146 152 165 5 1/4 " 5 1/2 " 5 3/4 " 6 6 1/2 " 7×16 7×14 8×18 8×18 8×18 6×14 7×14 7×14 8×14 6×16 2 2 2 2 2 15.5 16.0 16.5 17.0 18.0 QL 50- 133 QL 50- 140 QL 50- 146 QL 50- 152 QL 50- 165
133 140 146 152 165 5 1/4 " 5 1/2 " 5 3/4 " 6 6 1/2 " 7×16 7×14 8×18 8×18 8×18 6×14 7×14 7×14 8×14 6×16 2 2 2 2 2 12.5 13.5 14.0 14.4 15.0 M 50- 133 M 50- 140 M 50- 146 M 50- 152 M 50- 165
6” High air pressure DTH bits D Button size Air Holes Weight Part No.
mm in Gauge Qty. × Dia. Front Qty × Dia.
152 165 175 190 203 6 6 1/2 " 7 7 1/2 " 8 7×16 7×14 8×18 8×18 8×18 6× 14 7× 14 7× 14 8× 14 6× 16 2 2 2 2 2 22.0 26.0 27.0 28.5 29.5 HD 65- 152 HD 65- 165 HD 65- 175 HD 65- 190 HD 65-203
152 165 175 190 203 6 6 1/2 " 7 7 1/2 " 8 7×16 7×14 8×18 8×18 8×18 6× 14 7× 14 7× 14 8× 14 6× 16 2 2 2 2 2 26.0 27.0 29.0 32.0 34.0 SD 6- 152 SD 6- 165 SD 6- 175 SD 6- 190 SD 6-203
152 165 175 190 203 6 6 1/2 " 7 7 1/2 " 8 7×16 7×14 8×18 8×18 8×18 6× 14 7× 14 7× 14 8× 14 6× 16 2 2 2 2 2 24.0 25.0 27.0 29.0 33.0 QL 60- 152 QL 60- 165 QL 60- 175 QL 60- 190 QL 60-203
152 165 175 190 203 6 6 1/2 " 7 7 1/2 " 8 7×16 7×14 8×18 8×18 8×18 6× 14 7× 14 7× 14 8× 14 6× 16 2 2 2 2 2 22.0 23.0 24.0 25.0 28.0 M 60- 152 M 60- 165 M 60- 175 M 60- 190 M 60-203
8” High air pressure DTH bits D Button size Air Holes Weight Part No.
mm in Gauge Qty. × Dia. Front Qty × Dia.
203 219 254 305 8 8 5/8 " 10 12 9× 18 10×18 11×18 12×18 9×18 12×16 17×16 29×16 3 2 3 4 40.0 49.0 71.0 95.0 HD 85-203 HD 85-219 HD 85-254 HD 85-305
203 219 254 305 8 8 5/8 " 10 12 9× 18 10×18 11×18 12×18 9×18 12×16 17×16 29×16 3 2 3 4 37.0 48.0 70.0 94.0 SD -203 SD -219 SD -254 SD -305
203 219 254 305 8 8 5/8 " 10 12 9× 18 10×18 11×18 12×18 9×18 12×16 17×16 29×16 3 2 3 4 35.0 49.0 71.0 95.0 QL 80-203 QL 80-219 QL 80-254 QL 80-305
203 219 254 305 8 8 5/8 " 10 12 9× 18 10×18 11×18 12×18 9×18 12×16 17×16 29×16 3 2 3 4 - - - - M 80-203 M 80-219 M 80-254 M 80-305
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