Tapered drill rod, also known as taper rod or tapered drill steels, features a hexagonal chuck section designed to provide optimal leverage for the rotation chuck bushing. These rods are engineered with a forged collar to maintain the precise shank striking face position within the rock drill, paired with a high-performance tapered bit end.
Technical Specifications
Available in lengths ranging from 0.6 m to 8.0 m (measured from collar to bit end), our drill steels are built for maximum productivity.
- Shank Hexagon: 19 x 108mm
- Shank Hexagon: 22 x 108mm
- Shank Hexagon: 25 x 108mm
- Shank Hexagon: 25 x 159mm
- Taper Degrees: 7°, 11°, 12°
Application & Rock Formations
H
Hard Rock Formations: Taper angles of 11 and 12 degrees are typically utilized on modern drill rigs such as crawler hydraulic rock drills for medium-hard to hard abrasive rock.
S
Softer Rock Formations: A narrow 7-degree taper range is ideal for low-impact drills and softer formations like granite and marble quarrying.
Our rods are compatible with a wide array of equipment including Y6, Y10, Y24, YT24, YT 27 models, and various mobile pneumatic or hydraulic rock drills.
Drill Bit Compatibility
We offer a comprehensive range of taper button bits, cross bits, and chisel bits:
- Drill Hole Diameter: 28mm - 57mm
- Connection Degrees: 6°, 7°, 11°, 12°
- Material: Alloy Steel Bar 45CrNiMoV
- Tips: Tungsten Carbide Tips YK05 or T6
- Button Configurations: 5, 7, or 8 pcs (Ballistic or Flat Face)
Quality Assurance
All products are manufactured utilizing advanced equipment and strict QC procedures to ensure consistent high quality. By persisting in high-standard manufacturing, prompt delivery, and competitive positioning, we provide reliable Rock Drill Tools and Tungsten Carbide Taper Drill Rods suitable for mining and jackhammer applications worldwide.
Frequently Asked Questions
What are the most common taper angles for rock drilling?
The most common taper angles are 7, 11, and 12 degrees. 11 and 12-degree tapers are standard for hard rock and modern hydraulic rigs, while 7-degree tapers are used for softer rock and hand-held drills.
What materials are your tapered drill rods made of?
The rods are manufactured from high-quality Alloy Steel Bar 45CrNiMoV, and the bits feature premium Tungsten Carbide Tips (YK05 or T6) for maximum durability.
What is the range of lengths available for these drill steels?
Tapered drill steel lengths are available from 0.6 meters up to 8.0 meters, depending on the specific drilling requirements.
Which drill models are compatible with these rods?
They are compatible with various pneumatic and hydraulic drills, including model PD-Y58, Y6, Y10, Y24, YT24, and YT 27.
What hole diameters can be achieved with your taper bits?
Our taper bits (button, cross, and chisel) support drill hole diameters ranging from 28mm to 57mm.
What is the difference between taper button bits and thread button bits?
Taper button bits are generally used for small hole drilling with air-leg or hand-held jackhammers in quarrying and mining, whereas thread button bits are typically used for long hole drilling.
KAT DRILLING
