Tapered drill rod
Tapered drill rod, another name called taper rod, tapered drill steels, this provides a hexagonal chuck section to provide leverage for the rotation chuck bushing. It usually has a forged collar to maintain the proper shank striking face position in the rock drill, and a tapered bit end. Tapered steel lengths— available from 0.6m to 3.6 m in length—are measured from the collar to the bit end.
Shank Hexagon: 19 x108 mm, 22x 108mm, 25 x108 mm, 25 mmX159 mm 6, 7, 11, 12 degree taper in most lengths, taper degree of drill steel is mostly imports for excellent drilling productivity.
Shank Hexagon: 19 x108 mm, 22x 108mm, 25 x108 mm, 25 mmX159 mm 6, 7, 11, 12 degree taper in most lengths, taper degree of drill steel is mostly imports for excellent drilling productivity.
Cutting 
Polish&Drill
+ 
Mining
MachinesUsage:
For drilling medium-hard to hard and abrasive rock formations, taper angles of 11 and 12-degrees arenormally used on modern drill rigs, like YT28B, YT29A, Y24, YT24, Mobile rock drill pneumatic and hydraulic.
For low impact rock drills and softer rock formations, a narrow tape range of 7 degrees is used, such as
Indian, Saudi’s granite and marble quarry.
A comprehensive range of taper button bits, cross bits and chisel bits with 6, 7, 11, 12 degree taper.
Specification:
| 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 | |||
| 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 Other shank can be made according to your requirement |
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 | |
Shank Style + Effective Length + Bit Diameter
