T4 × 0.5 Trapezoidal Thread-Milling End Mill
Solid-carbide T4 × 0.5 thread-milling end mill for fine DIN 103 trapezoidal threads in precision components.
Description
Product Overview
The T4 × 0.5 thread-milling end mill is a specialist tool for producing fine trapezoidal threads with a 0.5 mm pitch at T4 diameter. It is used where low-tolerance threads are required for precise linear-motion transmission, including medical instruments, precision optics, and miniature mechanisms.
Its geometry is designed for fine chips to help prevent blockage in very small flutes.
Technical Specifications
- Thread type: Trapezoidal T4 × 0.5 mm pitch
- Nominal diameter: T4 (4 mm)
- Pitch: 0.5 mm
- Material: Solid carbide
- Coating: TiAlN / DLC for aluminium
- Flute count: 2–3 flutes
- Standard: DIN 103 trapezoidal thread
Applications & Industries
- Fine adjustment mechanisms in optics and laser equipment
- Surgical instruments with fine trapezoidal screws
- Precision-instrument equipment including microscopes and measuring devices
- Precision electronics with frequency-adjustment mechanisms
- Precision watchmaking and jewellery components
Features & Benefits
- Accurate trapezoidal T-thread profile for low-backlash motion transmission
- Large chip flutes relative to the diameter for chip evacuation at small diameters
- Suitable for threading very deep blind holes
- Stable cutting in hard materials up to 50 HRC
- Custom versions are available for non-standard pitches







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