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Premium Diamond Core Bits & Tungsten Carbide Tools

Hebei Golden Finger Tools Co., Ltd is a leading high-tech enterprise specializing in the research, production, and export of diamond tools and tungsten carbide-tipped saw blades. Trusted globally for stable quality and exceptional service.

Diamond Core Bit Industrial Tool Tool Manufacturing

About JSZ Tools

Hebei Golden Finger Tools Co., Ltd is a high-technical enterprise specialized in researching, producing, and selling Diamond Tools and Tungsten Carbide Tipped saw blades. We are known globally for our stable quality and best-in-class service.

Our professional research and inspection team ensures every product meets strict international standards. From raw material selection to final packaging, every step is monitored for precision and reliability.

  • ISO-Certified Manufacturing
  • Global Export Experience
  • Dedicated Quality Control Team
  • OEM & ODM Support Available
Factory Interior

Our Products

We offer a wide range of high-performance diamond core bits and tungsten carbide tools designed for durability, precision, and efficiency in industrial applications.

High Frequency Welding Diamond Core Bit

High Frequency Welding Diamond Core Bit

Ideal for wet drilling applications in concrete, masonry, and stone. High-frequency welding ensures strong bond and long life.

  • • Diameter: 10mm - 150mm
  • • Thread: M14, 1/2", 5/8"
  • • Cooling: Water-cooled
  • • Application: Construction, Renovation
Laser Welding Diamond Core Bit

Laser Welding Diamond Core Bit

Precision laser-welded segments for superior heat resistance and cutting performance in hard materials.

  • • Diameter: 12mm - 200mm
  • • Weld Type: Full Laser Seam
  • • Segment Height: 8-12mm
  • • Use: Granite, Concrete, Tile
Dry Diamond Core Bit

Dry Diamond Core Bit

Designed for dry drilling without water cooling. Efficient for short-duration tasks and remote locations.

  • • Diameter: 10mm - 100mm
  • • Cooling: Air-cooled
  • • Max RPM: 3000
  • • Material: Brick, Block, AAC
Tungsten Carbide Saw Blade

Tungsten Carbide Tipped Saw Blade

High-hardness tips for cutting wood, plastic, and non-ferrous metals with clean edges and long life.

  • • Diameter: 4" - 16"
  • • Tooth Count: 24 - 120
  • • Bore: 20mm, 25.4mm
  • • Application: Woodworking, Metalworking
Core Bit Set

Diamond Core Bit Set (5-Piece)

Complete set for general-purpose drilling in concrete, brick, and stone. Includes common sizes.

  • • Sizes: 10, 12, 16, 20, 25mm
  • • Thread: M14
  • • Case: Metal Storage Box
  • • Use: DIY, Professional
Heavy Duty Core Bit

Heavy-Duty Diamond Core Bit

Reinforced steel body and extra-thick segments for extended use in reinforced concrete and masonry.

  • • Diameter: 30mm - 150mm
  • • Wall Thickness: 2.5-4mm
  • • Cooling: Water-cooled
  • • Use: Demolition, Infrastructure
Core Bit Adapter

Quick-Change Core Bit Adapter

Universal adapter for SDS-plus and SDS-max hammer drills. Allows fast bit changes.

  • • Compatibility: SDS-plus/max
  • • Thread: M14
  • • Material: Alloy Steel
  • • Use: All JSZ Core Bits
Industrial Diamond Tools

Custom Diamond Tool Solutions

OEM/ODM services available. We manufacture custom diamond tools based on your specifications.

  • • Custom Shapes & Sizes
  • • Branding & Packaging
  • • MOQ: 100 pcs
  • • Lead Time: 15-30 days

Why Choose JSZ Tools?

Engineered for performance, built for reliability.

Quality Assurance

Every product undergoes strict inspection by our professional QC team to ensure consistency and reliability.

Advanced Welding

High-frequency and laser welding technologies ensure maximum bond strength and heat resistance.

Global Support

Serving customers in over 50 countries with fast shipping and responsive multilingual support.

OEM/ODM Services

Custom branding, packaging, and tool design available for bulk orders and private labels.

Applications

Our tools are trusted in diverse industrial and construction environments.

Construction

Core drilling in concrete walls, floors, and foundations for HVAC, plumbing, and electrical installations.

Renovation

Precise cutting and drilling in tile, brick, and stone during home and commercial remodeling projects.

Infrastructure

Used in bridges, tunnels, and large-scale civil engineering projects requiring durable drilling tools.

Mining & Quarrying

Core bits used for sampling and drilling in hard rock and mineral extraction environments.

Woodworking

Tungsten carbide saw blades for precision cutting in hardwood, plywood, and engineered wood products.

Metal Fabrication

Carbide-tipped blades for cutting non-ferrous metals, aluminum, and plastic profiles.

50+
Countries Served
15+
Years Experience
10M+
Tools Exported
99.2%
Customer Satisfaction

Frequently Asked Questions

Find answers to common inquiries about our products and services.

What is the difference between wet and dry diamond core bits?

Wet core bits require water cooling during operation to prevent overheating and extend life. Dry bits are designed with special segments that dissipate heat without water, suitable for short drilling tasks.

Can I use your core bits with my hammer drill?

Yes, our core bits are compatible with most rotary hammer drills. We recommend using an SDS-plus or SDS-max adapter for secure mounting and optimal performance.

Do you offer custom sizes or OEM branding?

Yes, we provide OEM and ODM services. You can customize tool dimensions, packaging, and branding. Minimum order quantity starts at 100 pieces.

What is the typical lead time for orders?

Standard orders are processed within 15-20 business days. Custom orders may take 25-30 days depending on complexity. Express shipping options are available.

How do I maintain my diamond core bits?

Clean after use, avoid overheating, and store in a dry place. For wet bits, always use water cooling. Replace when cutting speed significantly decreases.

Get in Touch

Have questions or ready to place an order? Contact us today.

Contact Information

Email: lisazhang@jsztools.com

Phone/WhatsApp/WeChat: +8618931165626

Skype: +8618931165626

Address: No. 29, Yucai Middle Road, Beigao Village, Nangao Township, Luancheng District, Shijiazhuang City, Hebei Province, China

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