Professional Manufacturer of High-Performance Rock Drilling Tools

Tapered Drill Rods

A tapered drill rod is a key component used in drilling operations, particularly in mining, construction, and quarrying. It features a tapered design that provides a secure connection to drilling tools, such as tapered button bits, enhancing the stability and efficiency of the drilling process. The tapered shape helps in better energy transfer during drilling, allowing for faster and more effective penetration of rock formations.

Tapered drill rods are typically made from high-quality alloy steel, ensuring strength, durability, and resistance to wear and corrosion. Their robust construction minimizes the risk of breakage and fatigue, making them suitable for challenging drilling conditions. The rods are available in various sizes and taper angles (e.g., 7°, 11°, 12°), allowing users to select the ideal fit for specific drilling equipment and tasks.

Description

Technical Specifications

Drill rod Length Taper Weight Approx
mm Foot kg
Hex. 22mm Tapered Rod
Hex-22mm-Taper-rod-7
600 2’ 1.93
800 2’6” 2.54
1000 3’3” 3.15
1200 3’9” 3.76
1500 4’11” 4.68
1600 5’3” 4.98
1800 5’9” 5.59
2000 6’7” 6.2
2200 7’2” 6.81
2300 7’6” 7.12
2400 7’9” 7.42
2500 8’2” 7.73
2600 8’8” 8.03
3000 9’10” 9.25
3500 11’5” 10.78
4000 13’1” 12.3
4500 14’8” 13.83
5000 16’4” 15.35
5500 18’1” 16.88
6000 19’7” 18.3
Hex. 25mm Tapered Rod
Hex-25mm-Taper-rod-7
4000 13’1” 16.1
4700 15’4” 18.9
5000 16’4” 22.1
5500 18’1” 22.1
6000 19’7” 24.1
Hex. 22mm Tapered Rod, Carburized
Hex-22mm-Taper-rod-carburized-11
610 2’ 11° 2.2
1220 4’ 11° 4.1
1830 6’ 11° 5.9
2000 6’7” 11° 6.4
2435 8’ 11° 7.8
2600 8’8” 11° 8.3
3200 10’6” 11° 10.1
3655 12’ 11° 11.5
4000 13’1” 11° 12.6
4800 15’9” 11° 14.9
5600 18’4” 11° 17.4
6400 21’ 11° 19.8
7200 23’6” 11° 22.2
8000 26’2” 11° 24.6
Hex. 22mm Tapered Rod, Carburized
Hex-22mm-Taper-rod-carburized-12
610 2’ 12° 2.2
1220 4’ 12° 4.1
1830 6’ 12° 5.9
2000 6’7” 12° 6.4
2435 8’ 12° 7.8
2600 8’8” 12° 8.3
3200 10’6” 12° 10.1
3655 12’ 12° 11.5
4000 13’1” 12° 12.6
4800 15’9” 12° 14.9
5600 18’4” 12° 17.4
6400 21’ 12° 19.8
7200 23’6” 12° 22.2
8000 26’2” 12° 24.6
Hex. 25mm Tapered Rod, Carburized
Hex-25mm-Taper-rod-carburized-12
1830 6’ 12° 7.96
2435 8’ 12° 10.38
3050 10’ 12° 12.84
2655 12’ 12° 15.26
2965 13’ 12° 16.5
4270 14’ 12° 17.72
4880 16’ 12° 20.16
5530 18’ 12° 22.76
6095 20’ 12° 25.02

Applications of Tapered Drill Rods

Surface Mining Operations

Mining

In mining, tapered drill rods are used for drilling blast holes and other drilling operations. In tunneling, tapered drill rods ensure the continuity and stability of the drilling process and are suitable for tunnel construction in hard rock formations.

Quarry Aggregate Mining

Quarrying Industry

In the quarrying industry, tapered drill rods are used for the mining of ores such as stone, granite, marble, and are suitable for effective drilling in hard rock formations.

Slope Stabilization​​

Foundation Drilling

Tapered drill rods are also used for foundation drilling, anchoring and other rock drilling tasks in construction to ensure the efficiency and accuracy of construction projects.

Geological Exploration drill

Geotechnical Drilling

In geotechnical drilling, tapered drill rods are used for geological exploration, collecting samples and data, and supporting construction and infrastructure planning.

Competitive Advantage of Tapered Drill Rods

Tapered drill rods have significant competitive advantages in mining, tunneling, quarrying and other fields.

Their high hardness, high toughness and high wear resistance enable them to perform well in hard rock formations, ensuring the stability and efficiency of the drilling process.

In addition, the design of tapered drill rods optimizes energy transfer, increases drilling speed, reduces equipment wear and extends service life.

In the production process, advanced heat treatment processes and strict quality control are used to ensure the high quality and reliability of the products.

These advantages make tapered drill rods highly competitive in the market and meet the needs of various drilling operations for high-performance tools.

Tapered Drill Rods for Tunnel construction

Questions Before Sourcing? Let’s Talk

Whether you’re sourcing for production, engineering projects, or custom tooling solutions, we provide expert guidance, accurate specifications, and competitive pricing.

Our technical team will review your requirements — including material, size, drilling conditions, and application details — to make sure you get the right product for your needs.

Fill out the form and our technical team will contact you shortly.

Let’s Power Your Next Project