JOINT CARBIDE CO., LTD.
                                                                                                           
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19 Years
Since 2007
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1/8" Shank Diameter Tungsten Carbide Rotary Burr with 3mm Head for Die Grinder and Wood Sharpening

Price Negotiable
Price: $0.88-3.59
MOQ: 2
Delivery Time: Negotiable
Brand: KINGTOOLS
Product Description
Product Overview
1/8 inch shank tungsten carbide rotary burr set for die grinders
Specifications
Product Name Tungsten Steel Hard Carbide
Cutter Pattern Double Cut & Single Cut & Aluma Cut
Suitable For Drilling, Metal Carving, Engraving, Polishing
10Pcs 3×6mm Set
  • Package Size: 5 × 4 × 0.5 inches
  • Cutting Dimensions: 3×6mm/0.12×0.24 inch (Approx.)
  • Material: Tungsten Carbide
  • Total Length: 45-50mm
  • Cutting Diameter: 1/4 inch
  • Shank Length: 35mm
  • Shank Diameter: 1/8 inch
20Pcs 3×3mm Set
  • Package Size: 5 × 4 × 0.5 inches
  • Cutting Dimensions: 3×3mm/0.12×0.12 inch (Approx.)
  • Material: Tungsten Carbide
  • Total Length: 38mm
  • Cutting Diameter: 1/8 inch
  • Shank Length: 23-35mm
  • Shank Diameter: 1/8 inch
Suggested RPM 25000-50000, Max RPM 70000
Hardness (HRA) ≥ 85
Quantity 10pcs/20Pcs Set in Storage Box
Key Features
  • Processes all types of metal (including hardened steel) and non-metal materials (marble, jade, bone)
  • Processing hardness up to HRA 85
  • High production efficiency, reduces labor intensity
  • Simple and convenient to use
  • Compatible with pneumatic or electric tools
Important Note: When using rotary files in pneumatic or electric tools, maintain speed between 1000-3700 RPM and ensure the tool is firmly clamped.
Product Details
Close-up view of tungsten carbide rotary burr cutting edges Tungsten carbide burr set in storage case Various carbide burr shapes and sizes Precision machining with carbide rotary tools Industrial application of carbide burrs Professional carbide burr tool set High-quality tungsten carbide burr construction Carbide burr set packaging and organization Complete rotary tool set for industrial use
Technical Specifications
Carbide Burr Details
Brand: KINGTOOLS
Shank Hardness: HRA 89-92.5
Material: Pure Tungsten Carbide
Available Diameters: 3mm/6mm/8mm/10mm/12mm/14mm/16mm
Operating Speed: 15000-45000 RPM
Grade: YG6, YG7, YG8
Model: Customized Carbide Burrs
Samples: Free Shipping Available
Technical specifications of carbide rotary burrs
Recommended RPM by Burr Diameter
Diameter of Burr Recommended RPM
1.6mm or 1/16" 25,000 - 35,000
2.35mm or 3/32" 17,000 - 26,000
3mm or 1/8" 17,000 - 26,000
6mm or 1/4" 11,000 - 16,500
12mm or 1/2" 8,000 - 12,000
16mm or 5/8" 7,650 - 11,500
RPM chart for carbide burr sizes
Product Advantages
  • 100% quality brand new construction
  • Processes materials up to HRC70 hardness
  • Replaces small wheel stems with no dust pollution
  • High production efficiency - several times higher than files, nearly 10 times higher than small grinding wheels
  • Produces high-quality finishes and precision mold cavities
  • Extended lifespan - 10 times more durable than high-speed steel tools, 200 times more durable than small grinding wheels
  • Easy to use, safe, and reliable operation
  • Reduces labor intensity and improves working environment
  • Suitable for cast iron, cast steel, bearing steel, high carbon steel, chrome-nickel alloy, bronze, brass, ceramic tile, marble, jade, bone, and more
Performance advantages of carbide rotary burrs Quality comparison chart Durability testing results Efficiency metrics for carbide burrs
Company Information
KINGTOOLS manufacturing facility and equipment
Our company has completed extensive infrastructure development and technological research. Since 2020, we have added 100 five-axis five-linkage rotary grinders, with 180 units currently operational. By 2023, we will invest in a total of 300 five-axis five-link rotary grinders (total value 150 million RMB), establishing the world's largest rotary file supply base. We possess advanced raw material carbide formula technology, optimized manufacturing processes, and automated production systems that exceed industry efficiency standards.
Advanced production equipment and manufacturing process

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company JOINT CARBIDE CO., LTD.
Location No. 1700, North Section of Tianfu Avenue, High-Tech Zone, Chengdu, Sichuan, China
Contact Person Eason

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