Here is a list of some of the most well-known, leading global suppliers of hammer core drill bits:

```markdown

Leading Global Suppliers of Hammer Core Drill Bits

1. Bosch Group

   • Renowned for high-quality power tools and accessories, including drill bits.

2. Hilti Corporation

   • Specializes in construction tools and provides durable drill bits designed for heavy-duty applications.

3. Osborn International

   • Offers a variety of drilling solutions and is known for its innovative approach in tool manufacturing.

4. RUKI Tool

   • Focuses on high-performance drilling tools, including core bits for various applications.

5. Diamond Products

   • Well-known for manufacturing diamond tools, including hammer core drill bits for multiple industries.

6. DTH Drilling Tools

   • Specializes in down-the-hole drilling technologies and offers a range of exploration drill bits.

7. National Oilwell Varco (NOV)

   • A prominent supplier of hardware and technology for the energy industry, including drilling tools.

8. Schlumberger

   • Provides technology and services for oil and gas, including advanced drill bits for specific applications.

9. Rockmore International

   • Known for its high-quality rock drilling tools, including hammer core drill bits.

10. Ingersoll Rand

    • Offers a wide range of tools and technologies, including core drill bits designed for various drilling needs. ```

These companies are recognized for their reliability, innovation, and extensive product offerings within the drilling tools industry. If you need further details about any specific company or product, feel free to ask!