Xinhua Industrial Co., LTD
Xinhua Industrial Co., LTD
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Tired of burrs that wear out too fast? Our SF-Series Carbide Rotary Burrs deliver 10X longer tool life than standard HSS tools, giving you smoother cuts, faster material removal, and lower cost per operation.
* Industrial-Grade Tungsten Carbide (YG8/K20) - Harder, more durable
* Spherical Flat-End Design - Perfect for concave surfaces & precision contouring
* Vibration-Free Operation - Reduces operator fatigue
*Available in Standard & Custom Sizes - From 3mm to 25mm diameters
Trusted by:
Aerospace manufacturers
Automotive tooling specialists
Industrial mold & die shops
| Model No. | Cutting Diameter | Shank Size | Flute Type | Best For |
|---|---|---|---|---|
| SF-04 | 4mm | 1/8" (3mm) | Single Cut | Fine detailing, aluminum |
| SF-08 | 8mm | 1/4" (6mm) | Double Cut | Steel, cast iron |
| SF-12 | 12mm | 1/4" (6mm) | Hybrid Cut | Heavy-duty grinding |
| Custom | 3-25mm | 3mm/6mm | Your choice | Specialized needs |
Material & Coating:
Tungsten Carbide Grade: YG8 (ISO K20 Equivalent)
Hardness: 93-94 HRA (Rockwell)
Cobalt Binder: 6% for superior toughness
Optional TiAlN Coating: For high-heat resistance (up to 800°C)
High-purity tungsten carbide (WC) + cobalt (Co) mix
Ensures perfect hardness & durability
Compressed at 300+ MPa for void-free density
Heated to 1420°C in vacuum furnaces
Achieves maximum carbide hardness
±0.005mm tolerance for perfect balance
Mirror-finish flutes for smoother cuts
Hardness testing
Dimensional accuracy check
Visual inspection
Every burr meets ISO 9001 standards
Single Cut: Best for fine finishing (aluminum, plastics)
Double Cut: Best for aggressive material removal (steel, cast iron)
Steel: 25,000-35,000 RPM (use coolant)
Hard alloys: Reduce speed by 20-30%
Yes! We specialize in custom geometries (MOQ 50pcs, 2-3 weeks lead time).
Superior YG8 carbide material
Precision grinding eliminates weak points
Negotiable for large orders.
| Shipping Method | Delivery Time | Best For |
|---|---|---|
| DHL/FedEx Express | 3-5 business days | Urgent orders |
| Air Freight | 5-10 days | Medium-sized shipments |
| Sea Freight | 20-35 days | Bulk orders (100+ pieces) |
| Stock Goods | 1-3 days | Fast delivery |
Every Order Includes:
Secure, shock-proof packaging
Detailed user guide
12-month quality guarantee
20+ Years in Carbide Tool Manufacturing
ISO 9001 Certified Factory
Custom Solutions Available
24/7 Customer Support
Competitive Pricing & Fast Delivery
Contact us today for a FREE quote!
Call: +86 182-1567-0293
Email: sales@zweimentool.com
Live Chat: Available on our website