Various Size Rock Drilling Integral Steel Bar for Mining

Application: 
 
Our factory can offer many kinds of drilling tools, including chisel type bits, cross type bits, tapered drill rods and integral drill rods and so on.  
The integral drill rod is used for rock drilling, blasting holes and other drilling works in the quarries, coal mines, traffic and other constructions.
 
Products Features:
 
Integral Drill Rod 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.
 
According to different application, different lengths are available from 400mm to 5000mm usually.
 
Regarding Integral drill steels, the quality of a steel material and a tungsten carbide is very important to get good drilling performance.
 

Products technical data: 
 
1) Different sizes available
2) Shank size, hex19, hex22 and hex25
3) Length under collar(mm): 400 800 1600 2400 3200 4000 4800
4) Bit diameter(mm):29,30,31,32,33,34,35,36,37,38,39,40,41
5) Material:55SiMnMo
 
  
Storage:  
 
We have a lot of stock, if you need, the delivery for the integral steel drill rod can be fast.