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Thread tables and drill sizes. Metric, Whitworth and American.
This app is designed for workshop use and machining work. It includes the most commonly used thread tables and the recommended drill size for proper manufacturing. Included tables: • Metric Thread (ISO) • Whitworth Thread: BSW – BSF – BSP – BSPT • American Thread: UNC – UNF – NPT Each table shows the pitch, major diameter and the recommended drill size for each thread type. The app includes measurements in inches and millimeters, depending on the selected standard. It also includes useful workshop calculation tools: • Pitch converter (mm ↔ TPI) • Inches ↔ millimeters converter • Recommended drill size calculator A practical, fast and reliable tool for machinists, mechanics, technicians and hobbyists working with different thread types.