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 |