The calculator, the handbook and the thread chart — in one app.
SpindleMate is a calculator for turners, millers and CNC operators: cutting speed and spindle speed, feeds, threads (metric, UN, JIS, KS, pipe threads), fits and tolerances, tap drills, tool nose radius compensation and material weight. Switch between metric and inch at any time. Works offline, no sign-up, no ads. Core calculators are free; Pro is a one-time purchase.