Specifications
Chisel type integral rodShank size: Hex22 or Hex25* 108mm (7/8 x 4 1/4 )
Length: 400mm - 4800mm
Diameter: 26mm - 42mm
Our integral drill rod has following features:
1) Different sizes available
2) 2 kinds of shank size, 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
The quality of chinese steel has largely improved, so pls do not worry about the performance.