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101 calculators and engineering references for CNC machining professionals.

Cutting Parameters

23 tools

Speed & Feed Chip Load SFM / Surface Speed MRR Calculator Spindle Horsepower Milling Force Cycle Time Surface Roughness Nose Radius Comp Ramping Angle Trochoidal Milling Slot Milling Step Milling Ball Nose Eff Dia Helical Interp Heat Expansion Tool Runout Feed Override Arc R to IJ Converter Feed Rate Converter Machine Power Calculator SFM to m/min Speed Converter Tangent Point Calculator

Drilling, Tapping & Threads

17 tools

Tap Drill Size Tapping Feed Rate Drill Point Length Thread Depth & Torque Metric-Imperial Thread NPT Pipe Thread Thread Percentage Form Tap Drill Thread Lead Angle Thread Pitch Dia Step Drill Design Countersink Depth Reaming Allowance Gun Drill Blind Hole Tapping Peck Drilling Calculator Threading Pass Calculator

Materials & Grades

21 tools

Grade Cross Reference Full Grade Chart Carbide Weight Metal Weight & Cost Hardness Converter Machinability Rating Stainless Properties Titanium Guide Aluminum Alloys Tool Steel Heat Treat Cast Iron Machining Coating Selector Tensile Converter Plastic Machining Graphite Machining Brass/Copper Superalloy Life Die Steel Thermal Conductivity Reference Micron to Inch Converter Temperature Converter Torque Unit Converter

Cost, Tolerances & Reference

40 tools

Cost Per Part Tool Life Economics CNC ROI Batch Cost ISO Fit Bolt Circle Flatness Sine Bar Coord Rotation Chamfer Taper GD&T Symbols Keyway Depth Dovetail Pythagorean Gear Parameters G-Code Ref Pressure Converter Unit Converter AQL Sampling Automation vs Manual ROI Calculator Bulk Discount Calculator Coolant Concentration Calculator Coolant Lifecycle Cost Calculator Diameter & Circumference Calculator Engineering Interest Calculator Inventory Turnover Calculator M-Code Reference Guide Polar/Rectangular Coordinate Converter Pomodoro Focus Timer Production Efficiency OEE Calculator Round Bar Weight Calculator Scrap Value Calculator Shipping & Customs Duty Estimator Tool Change Time Analyzer Tool Wear Cost Calculator CNC Toolbox Organizer Checklist Tube Weight Calculator Wall Thickness Calculator Weight & Shipping Calculator