Tapered Thread Rock Drill Rods B22 Length Customized For Gas Drainage Hole
Drill Rod Parameter :
Product Name: | Rock drill B22 Tapered Drill Rods | ||
Types | Tapered drill rods, Integral drill rods, Plug hole rods | ||
Application | Tapered drill rods are used in granite and marble quarry, gold mine, railway, tunnel, etc. for drilling | ||
Material: | High quality carbide and high quality steel | ||
Types of drill rods | Specifications | Length (mm) | Shank | Weight (kg) |
Tapered drill rods | Taper Angle: 4, 6, 7, 11, 12 degree | 400mm to 8000mm | Hex22mm*108mm | 1.7 - 24.9 |
Integral drill steel | Bit diameter: 26mm, 28mm, 30mm, 32mm, 34mm, 36mm, 38mm, 40mm, 42mm | 400mm to 4800mm | 3 – 15.4 | |
Plug hole rods | Chisel bit diameter: 17mm, 20mm, 22mm | 150mm to 710mm | 0.6 - 2.9 |
Application:
Mainly used for gas drainage hole, also widely used for mining, geology exploration, hydroeceltric dam.
