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High-Performance SL-Shaped Carbide Rotary Burrs for Aluminium Cutting
Our SL-shaped carbide rotary burrs feature a specialized spherical long neck design, combining the reach of extended shank tools with the precision of ball-nose cutters. These burrs are engineered specifically for deep cavity machining, 3D contouring, and hard-to-reach areas in aluminium components.
Key Product Advantages
Extended Reach Design - Long neck profile enables deep pocket machining (up to 5:1 L/D ratio)
Laser-verified carbide blanks from German/Japanese suppliers
Spectrometer-tested steel shanks with material certificates
Precision Machining
6-axis CNC grinding with diamond wheel technology
Automated optical inspection after each grinding stage
Silver Brazing Process
Robotic silver brazing at 720°C in controlled atmosphere
X-ray inspection of every brazed joint
Final Finishing
Electrolytic polishing for ultra-smooth surface (Ra<0.2μm)
Dynamic balancing to ISO 1940-1 G1.6 standard
Complete Product Line (SL Series)
Model
Ball Dia. (mm)
Neck Length (mm)
Shank Size
Flute Type
Max RPM
Best For
SL-AL401
3
15
3mm (1/8")
Single Cut
45,000
Micro deep cavities
SL-AL402
4
20
3mm (1/8")
Single Cut
40,000
Precision molds
SL-AL403
6
25
6mm (1/4")
Single Cut
35,000
Aerospace components
SL-AL404
8
30
6mm (1/4")
Single Cut
30,000
Automotive dies
SL-AL405
10
35
6mm (1/4")
Single Cut
28,000
Large cavity work
(Custom configurations available with MOQ 50pcs - ask about our rapid prototyping service)
Expert Application Guide
Optimal Cutting Parameters
Speed: 20,000-35,000 RPM (based on diameter)
Feed Rate: 0.04-0.12mm/tooth
Cooling: Air blast mandatory for L/D >3:1
Why Global Manufacturers Choose Us
15 Years Specialization in deep-reach carbide tools
Fully Automated Production with Industry 4.0 standards
100% X-ray Brazing Inspection for maximum reliability
48-Hour Sample Service with full test reports
Onsite Technical Support available in EU/NA
Global Logistics Network
Certifications: CE, RoHS, REACH compliant
Export Packing: Climate-controlled for overseas shipping
Lead Time: 7-15 days for standard orders
Ready to Revolutionize Your Deep Cavity Machining?
Please feel free to contact with us, live chat is available on our website
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Year Established:
2005
Total Annual:
5000000-6000000
Employee Number:
120~150
Ecer Certification：
Verified Supplier
Zigong Xinhua Industrial Co.,Ltd. was established in 2005.Located in Zigong City Sichuan Province China,Our factory area of 18000 ㎡ and has 120 technicians and employees in total. Zigong is one of the Cement Carbide Material production bases in China.Xinhua Industrial is a company specializing in ... Zigong Xinhua Industrial Co.,Ltd. was established in 2005.Located in Zigong City Sichuan Province China,Our factory area of 18000 ㎡ and has 120 technicians and employees in total. Zigong is one of the Cement Carbide Material production bases in China.Xinhua Industrial is a company specializing in ...
