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Professional tool for machinists, engineers and CNC programmers.
Thread Chart & CNC Calculators
Professional tool for machinists, engineers and CNC programmers.
The app provides a fast thread reference, practical machining calculators and engineering utilities used in everyday workshop work.
Thread Reference
Built-in thread library with common international standards:
• ANSI / ASME
• DIN
• GOST
Thread types include:
• Metric threads
• Unified threads (UNC, UNF, UNEF)
• Pipe threads
• ACME and trapezoidal threads
Each thread includes detailed parameters:
• diameter
• pitch
• threads per inch
• thread angle
• internal and external diameters
• tolerance classes
Most threads include high-resolution profile diagrams that can be zoomed for detailed inspection.
Fast Thread Search
Quickly find threads by designation:
M8
M10
G 1/2
1/2-20
UNC
UNF
Switch between metric and inch units instantly.
Machining Calculators
Useful tools for daily workshop work.
Turning calculations:
• cutting speed
• spindle speed
• cutting power
• torque
Milling calculations:
• cutting speed
• feed rate
• feed per tooth
• machining time
Engineering Tools
Additional tools include:
• cone calculator
• hexagon calculator
• coordinate rotation
• trigonometry utilities
Designed for Workshop Use
• works offline
• fast search
• clean interface
• practical tools for everyday machining tasks
Last updated on Apr 8, 2026
Conical lock 0 values fixed
Uploaded by
Mustafa Amad
Requires Android
Android 8.0+
Category
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Thread Chart & CNC Calculators
4.2.1 by Siberian Apps
Apr 8, 2026