Specifications
(1)Material:55SiMnMo(2)Shank:hex19/22/25mm
(3)Bit Dia:30-41mm
(4)Length:0.4m-5m...
(5)Package:wooden case/bundles/crate
Hex 22*108mm monoblock drill steel for quarrying and mining
(Fleuret monobloc de Xiamen Bestlink)
Our factory can offer many kinds of drill bits, including chisel type bits, cross type bits, tapered drill rods and integral drill rods, mainly used for mining, coal cutting, tunneling, rock cutting in quarrying.
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.
Specifications:
(1)Material:55SiMnMo
(2)Shank size:hex19/22/25mm including plug hole rods
(3)Bit Dia:30-41mm
(4)Length:0.4m-5m...
(5)Package:wooden case/bundles/crate
The technical parameter of Internal drill rod:
| Shank(mm) | Length(mm) | Bits Dia D(mm) | Weight(kg) |
| 11 Series | |||
| Hex22x108 | 800 | 34 | 3 |
| 1600 | 33 | 5.5 | |
| 2400 | 32 | 8 | |
| 4800 | 29 | 15.4 | |
| 12 Series | |||
| Hex22x108 | 800 | 40 | 3 |
| 1600 | 39 | 5.5 | |
| 2400 | 38 | 8 | |
| 3200 | 37 | 10.5 | |
| 4000 | 36 | 12.9 | |
| 4800 | 35 | 15.4 | |
| 13 Series | |||
| Hex22x108 | 400 | 34 | 1.8 |
| 800 | 33 | 3.1 | |
| 1200 | 32 | 4.3 | |
| 1600 | 31 | 5.5 | |
| 2000 | 30 | 6.7 | |
| 16 Series | |||
| Hex22x108 | 600 | 35 | 2.4 |
| 1200 | 34 | 4.3 | |
| 1800 | 33 | 6.1 | |
| 2400 | 32 | 8 | |
| 17 Series | |||
| Hex22x108 | 600 | 41 | 2.7 |
| 1200 | 40 | 4.6 | |
| 1800 | 39 | 6.6 | |
| 2400 | 38 | 8.7 | |