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Precision Threading, Simplified
Helix Angle Calculator is a fast, free solution for calculating helix angles and selecting the correct anvil (insert shim) for any CNC thread-turning operation.
Key Features
- One-step calculations – Enter thread diameter and pitch, tap “Calculate,” and you’re done.
- Accurate anvil selection – Choose your threading insert type and instantly receive the recommended anvil part number.
- Metric and imperial support – Switch effortlessly between mm and TPI.
- Offline functionality – No internet required, ideal for shop floor environments.
- Multilingual interface – Available in English, Español, Deutsch, Français, Italiano, Magyar, Polski, Svenska, 繁體中文, 简体中文, and 한국어.
Completely free – No ads, no sign-up, just practical tooling knowledge.
How It Works
1. Enter the thread’s diameter.
2. Specify the pitch.
3. Select your insert code (e.g., 16ER, 22IR).
4. Instantly view the calculated helix angle and recommended anvil.
Expert Guidance Included
The app includes safety notes, multi-start thread considerations, and a direct link to a detailed guide on helix angles in thread turning—perfect for both experienced machinists and apprentices.
Disclaimer
All calculations are provided for reference purposes only. Always verify tooling parameters before machining. SmiCut assumes no responsibility for application results.
Enhance precision, extend tool life, and streamline production—download Helix Angle Calculator today.