



Micro Ball Nose End Mills
Premium Tungsten Carbide Micro Ball Nose End Mill - 2 Flute, HRC55 for Steel
High-precision tungsten carbide micro ball nose end mill (R0.15-R0.95), 2 flutes, optimized for HRC55 hardened steel. 4mm shank, 50mm OAL. Ideal for mold & CNC micro-machining.
High Precision Tungsten Carbide Micro Ball Nose End Mill (2 Flute, HRC55)
Elevate your CNC micro-machining capabilities with our Premium Tungsten Carbide Micro Ball Nose End Mills. Engineered specifically for high-precision milling, these 2-flute micro cutters are designed to excel in machining carbon steel, alloy steel, and pre-hardened steel up to HRC55.
With cutter radius starting from an ultra-fine R0.15mm to R0.95mm, this series is the ultimate choice for intricate mold making, medical components, and precision electronics parts.
Key Features & SEO Benefits
- Premium Tungsten Carbide Material: Ultra-fine grain carbide substrate ensures exceptional wear resistance and tool life, reducing CNC machine downtime.
- Advanced HRC55 Capability: Specialized coating and geometry allow for smooth cutting of hardened steel materials up to 55 HRC.
- 2-Flute Ball Nose Design: Perfectly optimized for 3D contouring, pocketing, and achieving superior surface finishes in deep cavities.
- Precision Tolerance: Manufactured with strict dimensional accuracy for micro-machining, featuring a standard 4mm shank for ultimate rigidity and vibration reduction.
- Versatile Micro Sizes: Wide range of micro radii (R0.15 - R0.95) to meet the most demanding intricate milling requirements.
Applications
This micro ball nose end mill is widely used in high-tech industries for precision milling applications:
- Plastic Injection Molds & Die Making: High-precision cavity and core finishing.
- Medical Industry: Micro-machining of surgical instruments and titanium implants.
- Electronics & Aerospace: Micro components, watchmaking, and intricate metal parts.
Technical Specifications
All items in this series feature a standard Shank Diameter (D1) of 4.0mm and an Overall Length (L) of 50mm.
Cutter Radius (D) | Shank Diameter (D1) | Length of Cut (L1) | Overall Length (L) |
|---|---|---|---|
R0.15 | 4.0 mm | 0.6 mm | 50 mm |
R0.16 | 4.0 mm | 0.64 mm | 50 mm |
R0.18 | 4.0 mm | 0.7 mm | 50 mm |
R0.2 | 4.0 mm | 0.8 mm | 50 mm |
R0.225 | 4.0 mm | 0.9 mm | 50 mm |
R0.23 | 4.0 mm | 0.92 mm | 50 mm |
R0.25 | 4.0 mm | 1.0 mm | 50 mm |
R0.275 | 4.0 mm | 1.1 mm | 50 mm |
R0.28 | 4.0 mm | 1.12 mm | 50 mm |
R0.3 | 4.0 mm | 1.2 mm | 50 mm |
R0.31 | 4.0 mm | 1.24 mm | 50 mm |
R0.325 | 4.0 mm | 1.3 mm | 50 mm |
R0.34 | 4.0 mm | 1.36 mm | 50 mm |
R0.35 | 4.0 mm | 1.4 mm | 50 mm |
R0.36 | 4.0 mm | 1.44 mm | 50 mm |
R0.375 | 4.0 mm | 1.5 mm | 50 mm |
R0.4 | 4.0 mm | 1.6 mm | 50 mm |
R0.41 | 4.0 mm | 1.64 mm | 50 mm |
R0.45 | 4.0 mm | 1.8 mm | 50 mm |
R0.525 | 4.0 mm | 2.1 mm | 50 mm |
R0.55 | 4.0 mm | 2.2 mm | 50 mm |
R0.6 | 4.0 mm | 2.4 mm | 50 mm |
R0.65 | 4.0 mm | 2.6 mm | 50 mm |
R0.7 | 4.0 mm | 2.8 mm | 50 mm |
R0.74 | 4.0 mm | 2.96 mm | 50 mm |
R0.8 | 4.0 mm | 3.2 mm | 50 mm |
R0.85 | 4.0 mm | 3.4 mm | 50 mm |
R0.88 | 4.0 mm | 3.52 mm | 50 mm |
R0.9 | 4.0 mm | 3.6 mm | 50 mm |
R0.95 | 4.0 mm | 3.8 mm | 50 mm |
Why Choose Our CNC Milling Tools?
As a leading cutting tool manufacturer, we ensure strict quality control for every end mill. We offer standard in-stock items for fast shipping, and we also provide customizable OEM/ODM solutions to match your exact machining needs.
Contact us today for the latest price list or to request a quote for custom sizes!
