Tools
Material Property Comparison
Search and compare mechanical, thermal, and electrical properties across 130+ engineering materials — alloys, polymers, ceramics, and pure elements. Select properties, build a side-by-side table, and link directly to source data.
CNC Feeds & Speeds Calculator
Calculate spindle RPM and feed rate for milling, drilling, reaming, countersinking, tapping, and lathe operations. Covers HSS and carbide tooling with coating multipliers across 14 common shop materials.
Electrical Breakdown Calculator
Predict DC dielectric breakdown voltage using the Paschen equation and RF/microwave breakdown using the effective-field method. Plots Paschen curves and shows safety margin for 12 common gases and dielectrics.
Thread Pullout Force Calculator
Calculate the pullout load and assembly torque for threaded fasteners in common parent materials. Based on NASA/TM-2017-219475. Covers UNC, UNF, and metric (M) fasteners across aluminum, stainless steel, and carbon steel.