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Premium Drilling Solutions Since 2010

Manufacturer of high-performance PDC Drill Bits, Tricone Bits, DTH Hammers & Drilling Equipment. Trusted by 1000+ partners worldwide.

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About KUANGBAO

Hunan Kuangbao Precision Drilling Machinery Co., Ltd. is a professional manufacturer that develops, manufactures, and sells drill bits, drilling rigs, and drilling tools.

PDC Cutter Head

Since 2010

With over 12 years of production experience, we manufacture high-quality products using carefully selected raw materials from large manufacturers. Our complete production equipment includes precision CNC machine tools, machining centers, sintering machines, and more.

We offer custom processing drill bits, remote technical consultation, and non-standard product design based on customer site requirements. Sample orders are acceptable.

  • 15,000+ sqm manufacturing facility
  • 300+ skilled employees
  • 1000+ cooperating partners
  • R&D-Production-Sales one-stop service
15,000+
Square Meters Built
300+
Enterprise Employees
1000+
Cooperating Partners
12+
Years Experience

Our Products

High-quality drilling tools for energy mining, oil & gas, water wells, construction, and geological exploration.

132mm PDC Core Drilling Bit

132mm PDC Core Drilling Bit

Brand: KBJZ | Diameter: 75~133mm | Forging Process

  • • Type: Drill bit
  • • Machine type: Drilling Tool
  • • High-efficiency rock breaking
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Water Well PDC Drill Bit

Water Well PDC Drill Bit

Thread: API REG | Material: Carbon Steel

  • • Delivery time: 3–8 days
  • • Machine type: Drilling tool
  • • For water well drilling applications
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5 1/2 Inch Tricon Bit

5 1/2 Inch Tricon Bit

Thread: 3 1/2" API Pin | Standard: API Spec 7-1

  • • Raw material: Carbide
  • • Forging process
  • • Durable for tough formations
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CIR 110 DTH Bit

CIR 110 DTH Bit

Diameter: 110mm | Shank: CIR 110

  • • Spline: 6 pieces
  • • Type: DTH hammer bit
  • • High impact resistance
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PDC Diamond Drill Bit

PDC Diamond Drill Bit

Raw Material: High Manganese Steel

  • • Body Type: Matrix or Steel
  • • High wear resistance
  • • Suitable for hard rock
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1308 PDC Cutters

1308 PDC Cutters

Diamond Layer: 2mm | Impact Strength: >1000

  • • Wear Resistance: >45 or >50
  • • Diameters: 8, 10, 13, 16, 19mm
  • • Polycrystalline Diamond Compact
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Three Wings Alloy Drill Bits

Three Wings Alloy Drill Bits

Thread: 50/76/API or Customized

  • • High efficiency design
  • • Forging process
  • • Application: Borehole / Well
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Mining DTH Hammer Drilling

Mining DTH Hammer Drilling

Size: 115mm | MOQ: 1 piece

  • • Raw material: Carbide
  • • Forging process
  • • Ideal for mining applications
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Why Choose KUANGBAO

We adhere to the principle of mutual benefit and enjoy a good reputation among our customers.

Quality Assurance

Quality is the lifeline of our enterprise. We use high-quality raw materials and advanced equipment to ensure every product meets international standards.

Excellent Service

R&D, production, and sales one-stop service. We offer remote technical consultation, custom processing, and non-standard product design.

Fast Delivery

With efficient logistics and inventory management, we ensure fast delivery—typically 3–8 days for standard products.

Application Scenarios

Our products are widely used across multiple industries requiring reliable drilling solutions.

Oil & Gas Development

Mining & Energy

Water Well Drilling

Construction & Engineering

Railways & High-Speed Rail

Highways & Tunnels

Frequently Asked Questions

Get answers to common inquiries about our products and services.

Do you accept sample orders?

Yes, sample orders are acceptable. We welcome trial cooperation to build long-term partnerships.

Can you customize drill bits for specific rock formations?

Yes, we can customize drill bits according to different rock formations. Our R&D team provides technical design and solutions based on customer requirements.

What is your delivery time?

Standard products are delivered within 3–8 days. Customized products may take longer depending on complexity.

What certifications do you have?

We comply with API Spec 7-1 and other international standards. Our factory maintains strict quality control throughout production.

Do you provide technical support?

Yes, we offer remote technical consultation and on-site support when needed. Our professional team ensures smooth operations.

Get in Touch

We have advanced production equipment and professional technical personnel. Contact us for drilling technical consultation and product inquiries.

Email: jenney@kbjzpdcbit.com
Phone: +86 152 1146 5300

Factory: Building No.1, Gonggu No.1 Industrial Park, No.7 Mercedes-Benz Road, Jiuhua Economic Development Zone, Yuhu District, Xiangtan City, Hunan Province, China

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