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Premium Rock Drill Bits from China

High-performance top hammer and DTH drilling tools engineered for mining, geothermal, water well, and construction applications. Trusted by global partners since 2005.

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About R.S. International

R.S. International Drilling Tools Co., Ltd. is a leading manufacturer and exporter of rock drilling tools based in Zhengzhou, Henan, China. With over 18 years of industry experience, we specialize in top hammer and down-the-hole (DTH) drilling systems, serving clients in mining, construction, geothermal energy, and water well drilling sectors.

Our product range includes tapered and threaded drill bits, reaming bits, extension rods, DTH hammers, bits, and accessories compatible with major drill rig brands like Atlas Copco, Sandvik, and more. We combine advanced tungsten carbide technology with strict quality control to deliver durable, high-efficiency tools.

18+
Years Experience
60+
Global Markets
Drilling Tools Factory
ISO 9001

Our Drilling Products

Engineered for performance and durability in the toughest geological conditions. Explore our full range of top hammer, DTH, and accessory tools.

Tapered Drill Bits

Tapered Drill Bits & Rods

Available in R25, R28, R32, R38, T45, T38, ST58, ST68, ED68, GT60. Ideal for handheld and light drilling rigs.

  • • 32mm -12° taper
  • • 7-button concave spherical design
  • • High tungsten carbide content
Thread Drill Bits

Thread Drill Bits & Rods

Precision-threaded bits and rods for reliable connection and torque transmission in top hammer drilling.

  • • T51, R3212 models available
  • • Anti-slip thread design
  • • Suitable for hard rock
DTH Bits

DTH Bits

High-impact DTH bits for deep-hole drilling in mining and water well applications.

  • • Shank models: DHD, SD, QL, MACH
  • • COP, CIR, BR series compatible
  • • Optimized for fractured rock
DTH Hammers

DTH Hammers

Robust down-the-hole hammers for efficient energy transfer and maximum penetration rates.

  • • High air pressure tolerance
  • • Low maintenance design
  • • Long service life
Reaming Bits

Reaming Bits

Designed for enlarging boreholes with precision and stability in tunneling and anchoring.

  • • Multi-button layout
  • • Balanced wear distribution
  • • High ROP (Rate of Penetration)
Extension Rods

Extension & Tunneling Rods

High-strength rods for deep drilling and tunneling projects requiring extended reach.

  • • Threaded and tapered options
  • • Anti-torque design
  • • Corrosion-resistant coating
Shank Adapters

Shank Adapters & Couplings

Connectors for seamless integration between drill bits, rods, and rigs.

  • • Universal compatibility
  • • High tensile strength
  • • Easy installation
Atlas Copco Accessories

Accessories for Atlas Drill Rigs

Original-spec replacement parts for Atlas Copco and compatible drilling systems.

  • • Shank adapters
  • • Coupling sleeves
  • • Bit retainers
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Why Choose Our Tools?

Engineered for performance, durability, and value in the most demanding drilling environments.

Premium Materials

High-grade tungsten carbide buttons and alloy steel bodies ensure long life and resistance to wear in hard rock.

High Efficiency

Optimized bit geometry and airflow design deliver faster penetration and reduced downtime.

Global Support

Serving 60+ countries with fast shipping, technical support, and OEM/ODM services.

18+
Years in Industry
500+
Product Models
60+
Countries Served
99%
Customer Retention

Latest Industry Insights

Stay updated with trends, technical tips, and company news from the drilling industry.

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Get in Touch

Contact us for product inquiries, technical support, or partnership opportunities.

Phone

+86-18239968851

+86-15038150842

Email

info@chinarockdrillbit.com

Address

North Hongzhuan Street, Jinshui District, Zhengzhou, Henan, China

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