7 button 8 button Bit Diameter 32mm 34mm 36mm 38mm jackhammer
socket bit
We manufactuer various tapered rock drill bits in different degrees
as below:
Bit diameter: 32mm ~ 48mm;
Tapered degree: 7°, 11°, 12°;
Shank sizes: Hex. 19mm, Hex, 22mm and Hex. 25mm;
Buttons configuration: 4 buttons, 5 buttons, 6 buttons, 7 buttons,
8 buttons, 9 buttons;
| TAPERED ROCK DRILLING TOOLS - 7° |
| Drill Bit | Bit Dia. | Buttons and Size (mm) | Flushing Hole | Weight | Part Number |
| mm | inch | Front | Gauge | Angle | Front | Side | kg |
Button bit, short skirt | 32 | 1 1/4 | 1x8 | 3x8 | 35° | 1 | 1 | 0.24 | B432-7D-22 |
| 33 | 1 2/7 | 2x7 | 5x7 | 35° | 2 | 1 | 0.26 | B733-7D-22 |
| 34 | 1 1/3 | 2x7 | 4x7 | 40° | 1 | 1 | 0.29 | B634-7D-22 |
| 35 | 1 3/8 | 2x7 | 5x8 | 35° | 1 | 1 | 0.33 | B735-7D-22 |
| 36 | 1 3/7 | 1x8 | 3x9 | 40° | 1 | 1 | 0.37 | B436-7D-22 |
| 36 | 1 3/7 | 2x7 | 5x8 | 35° | 1 | 1 | 0.37 | B736-7D-23 |
| 38 | 1 1/2 | 1x8 | 3x9 | 35° | 1 | 1 | 0.37 | B438-7D-23 |
| 38 | 1 1/2 | 2x7 | 5x8 | 35° | 1 | 1 | 0.38 | B738-7D-23 |
| 38 | 1 1/2 | 2x7 | 5x9 | 40° | 2 | 1 | 0.38 | B738-7D-23 |
| 40 | 1 4/7 | 1x8 | 3x9 | 30° | 1 | 1 | 0.38 | B440-7D-23 |
| 40 | 1 4/7 | 1x9 | 3x10 | 30° | 1 | 1 | 0.4 | B440-7D-23 |
| 40 | 1 4/7 | 1x9 | 3x9 | 35° | 1 | 1 | 0.4 | B440-7D-23 |
| 40 | 1 4/7 | 2x7 | 5x9 | 35° | 1 | 1 | 0.4 | B740-7D-23 |
| 42 | 1 2/3 | 1x8 | 3x9 | 30° | 1 | 1 | 0.4 | B442-7D-23 |
| 42 | 1 2/3 | 1x9 | 3x10 | 30° | 1 | 1 | 0.43 | B442-7D-23 |
| 42 | 1 2/3 | 1x9 | 3x9 | 35° | 1 | 1 | 0.43 | B442-7D-23 |
| 42 | 1 2/3 | 2x8 | 5x9 | 35° | 1 | 1 | 0.43 | B742-7D-23 |
| Long skirt | 32 | 1 1/4 | 2x7 | 5x7 | 35° | 1 | 1 | 0.3 | B732-7D-22 |
| | 33 | 1 2/7 | 2x7 | 5x7 | 35° | 1 | 1 | 0.31 | B733-7D-22 |
| 35 | 1 3/8 | 2x7 | 5x8 | 35° | 1 | 1 | 0.36 | B735-7D-22 |
| 38 | 1 1/2 | 2x7 | 5x9 | 35° | 1 | 1 | 0.41 | B738-7D-22 |
| 41 | 1 5/8 | 2x7 | 5x9 | 35° | 1 | 1 | 0.42 | B741-7D-23 |
| Tapered Drill rod | Length | Weight |
| mm | foot | kg |
| Hex 22 x 108 mm tapered rod | 600 | 2 | 1.93 |
| 800 | 2 5/8 | 2.54 |
| 1000 | 3 2/7 | 3.15 |
| 1200 | 3 8/9 | 3.76 |
| 1500 | 4 8/9 | 4.68 |
| 1600 | 5 1/4 | 4.98 |
| 1800 | 5 8/9 | 5.59 |
| 2000 | 6 5/9 | 6.2 |
| 2200 | 7 2/9 | 6.81 |
| 2300 | 7 5/9 | 7.12 |
| 2400 | 7 7/8 | 7.42 |
| 2500 | 8 1/5 | 7.73 |
| 2600 | 8 5/9 | 8.03 |
| 3000 | 9 5/6 | 9.25 |
| 3500 | 11 1/2 | 10.78 |
| 4000 | 13 1/8 | 12.3 |
| 4500 | 14 3/4 | 13.83 |
| 5000 | 16 2/5 | 15.35 |
| 5500 | 18 | 16.88 |
| 6000 | 19 2/3 | 18.3 |
| | 4000 | 13 1/8 | 16.1 |
| 4700 | 15 3/7 | 18.9 |
| 5000 | 16 2/5 | 22.1 |
| 5500 | 18 | 22.1 |
| 6000 | 19 2/3 | 24.1 |
