DTH Drill Bits
Down-The-Hole Drilling Tools
DTH Drill Bits
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.
| 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 |
SANDCO is a trusted manufacturer of rock drilling tools with focus on R&D, manufacture and supply of a variety of high quality drilling consumables. For the past years, we have manufactured and supplied a complete range of top hammer drill tools and DTH drill tools for different applications including mining, quarrying, construction and tunneling. As a reliable drilling tools manufacturer, we are constantly searching for ways to improve the quality of rock drilling tools and deliver unparalleled services to win customers' satisfaction.
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