ゆっくり育てていってね！

Meet Milling • Drilling • Turning – the pocket-sized industrial calculator trusted by CNC programmers, tool-room veterans and manufacturing engineers world-wide. In under a second it converts the scribbles on your job traveler into the exact spindle rpm, feed per tooth, horsepower draw or coolant flow you need to hit first-article spec – no spreadsheets, no thumb rules, no internet signal required.
13 production-ready calculators
• Milling Speed & Feed • Milling Horsepower • Milling Step-over Distance • Drilling Speed & Feed • Drilling Horsepower • Drill Size / Tap Drill look-up • Tap Size with pitch & class • Turning Speed & Feed • Turning Horsepower • Turning Surface Roughness • Thread Milling (helical path, arc length, chip thinning) • Tool-Life Predictor • Coolant Flow & nozzle velocity
Why machinists keep it on their home screen
Built for the shop floor – big type, dark-mode, glove-friendly dials; works 100 % offline.
Verified formulas & data – derived from ISO, ASM Handbook and Machinery’s Handbook tables, peer-reviewed by veteran machinists.
Inch/Metric in one tap – instant unit swap, plus surface speed, chip-load & material-removal summaries.
Smart defaults – pick tool material + workpiece alloy and watch recommended SFM and feed-per-tooth pre-fill automatically.
Save & share – bookmark favorite setups, copy results straight to your CAM notes, or AirDrop to the operator.
Light on battery, heavy on accuracy – every calculator is single screen, so you spend time cutting, not tapping.
Boost OEE & sustainability
Always improving
Download Milling • Drilling • Turning today and turn your iPhone into the smartest tool in the toolbox – because every chip counts.
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/