Xinhua Industrial Co., LTD
Xinhua Industrial Co., LTD
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Our SM Shape Carbide Rotary Burrs feature a unique oval/egg-shaped design that combines the benefits of both cylindrical and ball-shaped burrs. These professional-grade tools deliver exceptional performance in complex contouring, deburring, and finishing applications across various metals and alloys.
* Versatile Oval Profile - Combines flat and curved cutting surfaces in one tool
* Extended Tool Life - Premium micro-grain tungsten carbide construction
* Multiple Tooth Options - Single-cut, double-cut, and aluminum-specific configurations
* Precision Engineered - Computer-balanced for vibration-free operation (up to 35,000 RPM)
* Custom Solutions - Available in standard and made-to-order specifications
Carbide Grade: K10 (YG8)/K20 (YG6X) per ISO 513 standards
Hardness: 90-92 HRA (Rockwell A scale)
Grain Size: 0.5-0.8μm tungsten carbide particles
Cobalt Content: 6-8% for enhanced toughness
Density: ≥14.8 g/cm³
Standard HSS Shank:
Material: AISI M2 high-speed steel
Hardness: 62-64 HRC
Surface: Precision ground with anti-corrosion coating
Premium Carbide Shank:
Material: Micro-grain tungsten carbide
Hardness: 90 HRA
Benefits: Maximum rigidity for high-precision applications
Computer-controlled blending of WC-Co powders
Cold isostatic pressing at 300 MPa
Vacuum sintering at 1420-1480°C
Liquid phase sintering for pore-free structure
5-axis CNC grinding with diamond wheels
Tooth geometry accuracy: ±0.015mm
Surface roughness: Ra 0.4μm maximum
100% dimensional inspection (CMM)
Hardness testing (Rockwell scale)
Dynamic balance testing (≤0.5g/mm)
| Model No. | Shank Ø (mm) | Major Ø (mm) | Minor Ø (mm) | OAL (mm) | Tooth Type | Best For |
|---|---|---|---|---|---|---|
| SM-306 | 3.0 | 6.0 | 4.0 | 50 | Single-cut | Hardened Steel |
| SM-610 | 6.0 | 10.0 | 7.0 | 75 | Double-cut | Carbon Steel |
| SM-1016 | 10.0 | 16.0 | 12.0 | 100 | Aluminum-cut | Aluminum Alloys |
| SM-1220 | 12.0 | 20.0 | 15.0 | 125 | Double-cut | Cast Iron |
| Tooth Type | Flute Count | Included Angle | Best For | Surface Finish |
|---|---|---|---|---|
| Single-cut | 4-6 | 45° | Hard materials (HRC>45) | Rough (Ra 6.3-12.5μm) |
| Double-cut | 6-8 | 60° | General purpose steel | Medium (Ra 3.2-6.3μm) |
| Aluminum-cut | 4-5 | 30° | Non-ferrous metals | Fine (Ra 1.6-3.2μm) |
Special tooth configurations available for titanium and superalloys
A: The oval profile excels in mold making, die casting repairs, and complex contour work where both flat and curved surfaces need blending.
A: The SM shape combines the material removal rate of cylindrical burrs with the contouring ability of ball shapes, reducing tool changes.
A: For optimal performance, we recommend using water-soluble coolants at 5-8% concentration for most applications.
A: Yes, we can manufacture custom oval profiles with specific diameter ratios to meet unique application requirements.
A: Our facility can produce up to 50,000 pieces monthly, with consistent quality control throughout production runs.
Shipping Options:
Express Delivery: DHL/FedEx (2-3 business days)
Air Freight: 5-7 days (urgent requirements)
Sea Freight: 20-35 days (cost-effective for bulk)
Quality Assurance:
Material test certificates (MTC)
Dimensional inspection reports
RoHS/REACH compliance documentation
Ordering Flexibility:
MOQ: 10 pieces (standard sizes)
Free samples for qualified buyers
Volume discounts for 500+ pieces
* 25+ years carbide tool manufacturing expertise
* ISO 9001:2015 & IATF 16949 certified
* European-standard production facility
* Dedicated engineering support
* Competitive OEM/ODM terms