Product Name: | Tapered drill rods H22*108mm rock drill steel rod for mines | Types: | Tapered drill rods, Integral drill 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 55SiMnMo | MOQ: | No requirement for testing and trial order | We can produce as your request of carbide size, different length of drill rods. | 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 Hex25mm*159mm Hex19mm*108mm | 1.7 - 24.9 | Integral drill steel | Bit diameter: 26mm, 28mm, 30mm, 32mm, 34mm, 36mm, 38mm, 40mm, 42mm | 400mm to 4800mm | 3.0 – 15.4 |
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