Milling RPM Calculator Find perfect spindle speed for any end mill & material — imperial & metric. 🇺🇸 Imperial (in / SFM) 🌎 Metric (mm / m‑min) Inputs Cutter Diameter inmm Material (auto-fills SFM) — Select or enter manually —Aluminum 6061 (600 SFM / 183 m/min)Mild Steel 1018 (100 SFM / 30 m/min)Stainless Steel 304 […]

Drill RPM Calculator Find the perfect spindle speed for any drill bit & material — imperial & metric. Drill Parameters Drill Bit Diameter mmincm Material Softwood (Pine, Cedar)Hardwood (Oak, Maple)Dense Hardwood (Ebony) Mild SteelStainless SteelCast IronAluminumBrass / BronzeTitaniumTool Steel Plastic / PVC / AcrylicHDPE / NylonCarbon Fiber / Fiberglass Concrete / MasonryCeramic / TileCustom Cutting […]