7° 11° 12° Hexagonal Rock Drill Steel Tapered Rock Drill Rods for Mining / Quarrying
Introduction
Tapered drill rod also named taper rock drill steel. work with taper drill bits which are usually hexagonal. It equipped with pneumatic & hydraulic rock drills, Tapered rock drill rod is used for rock drilling, blasting holes and other drilling works.
Tapered drill rods have different length to fit different drilling applications in mining, tunnel, quarry, road building etc. Taper drill rods must together used with tapered drill bits, chisel bits, cross bits and button bits.
Rock Drill Steel,Tapered Rock Drill Rods
1) Material: 40SiMnCrNiMo
2) Shank spec.: Hex19*108mm, Hex22*108mm, Hex25*108mm, Hex25*159mm
3) Taper connection: 7, 11, 12 degree
4) Length: 0.5m~6.0m
|
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 – 15.4 |
|
|
Plug hole rods |
Chisel bit diameter: 17mm, 20mm, 22mm |
150mm to 710mm |
0.6 - 2.9 |
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