Integral Drill Steel is used by a hａnd held drill machine in Underground mining and for small hole drilling, equipped with small power rock drills, like air leg rock drills, hａnd held rock drills, etc. It can reduces the expense of impact energy, improves the drilling speed and efficiency, also it can be used for drilling bore hole diameter from 30mm to 41mm usually. Regarding Integral drill steels，the quality of a steel material and a tungsten carbide is very important to get good drilling performance.
According to different application, different lengths are available from 400mm to 5000mm usually.
Shank | Length | Bits Dia. | Weight |
mm | mm | mm | kg |
11 Series | |||
Hex 22*108 | 800 | 34 | 3 |
Hex 22*108 | 1600 | 33 | 5.5 |
Hex 22*108 | 2400 | 32 | 8 |
Hex 22*108 | 3200 | 31 | 10.5 |
Hex 22*108 | 4000 | 30 | 12.9 |
Hex 22*108 | 4800 | 29 | 15.4 |
12 Series | |||
Hex 22*108 | 800 | 40 | 3 |
Hex 22*108 | 1600 | 39 | 5.5 |
Hex 22*108 | 2400 | 38 | 8 |
Hex 22*108 | 3200 | 37 | 10.5 |
Hex 22*108 | 4000 | 36 | 12.9 |
Hex 22*108 | 4800 | 35 | 15.4 |
13 Series | |||
Hex 22*108 | 400 | 34 | 1.8 |
Hex 22*108 | 800 | 33 | 3.1 |
Hex 22*108 | 1200 | 32 | 4.3 |
Hex 22*108 | 1600 | 31 | 5.5 |
Hex 22*108 | 2000 | 30 | 6.7 |
16 Series | |||
Hex 22*108 | 600 | 35 | 2.4 |
Hex 22*108 | 1200 | 34 | 4.3 |
Hex 22*108 | 1800 | 33 | 6.1 |
Hex 22*108 | 2400 | 32 | 8 |
17 Series | |||
Hex 22*108 | 600 | 41 | 2.7 |
Hex 22*108 | 1200 | 40 | 4.6 |
Hex 22*108 | 1800 | 39 | 6.6 |
Hex 22*108 | 2400 | 38 | 8.7 |
