- Business Division
- Transportation, Machinery & Tools
- Types of Tools
- Cutting Tools
- Processing Methods
- Grinding
- Work
- Non-ferrous and specialty metals, composite materials and resins
Product Overview
Aluminum Alloy "SUNPAX Micro Drill & Reamer" for Small-Diameter Holes
SUNPAX Micro is a series of small-diameter, high-precision tools designed specifically for machining aluminum alloys. Its high-rigidity design ensures excellent machining stability and dimensional accuracy, even during high-feed-rate machining.
To help improve the efficiency of precision parts machining, we offer the following two product lines:
Application
- Aluminum Alloy Drill Bits for Small-Diameter Holes
Product Features
Product Lineup
Standard Dimensions
| Drill | Reamer | |
|---|---|---|
| Tool Diameter [mm] | φ2.0–3.0 | φ1.6–3.0 |
| Effective Length [mm] | ≦15 | ≦15 |
| Shank Diameter [mm] | φ4≦ | φ4≦ |
■ Drills (φ2.0–3.0)
Further advancing SUNPAX® drill technology to ensure high precision and durability even in the small-diameter range.
Delivers stable chip evacuation and high-quality machined surfaces during high-speed machining of aluminum alloys.
■ Reamers (φ1.6–3.0)
Small-diameter reamers that enable high roundness and dimensional accuracy.
Reduces machining time while maintaining consistent quality in deep-hole and finishing operations.
Machining Test Data: “Reamer”
- Material
- A4B-T6
- Cutting Depth [mm]
- 5
- Cutting speed V [m/min]
- 50–75
- Feed Rate F [mm/min]
- 320–380
- Rotational Feed F [mm/rev]
- 0.04
By Tool Diameter: Workpiece Machined Surface
Surface Roughness: Ra 0.05–0.07 μ
| φ1.8 | φ2.0 | φ2.5 | φ3.0 |
|---|---|---|---|
 |  |  |  |
Features
• Achieves smaller diameters (φ1.6–3.0)
By applying the technology of the SUNPAX® series, we have achieved smaller diameters while maintaining high precision.
• High-precision machining through a high-rigidity design
Reduces tool deflection, ensuring dimensional accuracy and machining stability even under high feed conditions.
• Optimized for aluminum alloys
Specialized for machining ductile materials used in inverter and converter cases, motor housings, and other applications.
• Meets the need for smaller and lighter EV components
Delivers high productivity in the machining of high-density components required in the electric vehicle (EV) sector.
Applications
• EV inverter and converter cases
• EV motor housings
• Precision aluminum parts
• Various small-diameter hole machining and finishing operations