Tapping speeds are for general purpose taps. Consult tap manufacturer for high geometry taps. 2007-01-17T12:17:24+00:00 false false 205 true false Tapping speeds are for general purpose taps. Consult tap manufacturer for high geometry taps. Tapping Speeds Material Tapping Speed (SFM) Aluminum 90 – 110 Brass 80 – 100 Bronze 40 – 60 Copper 70 – 90 Copp Tapping Torque Requirements & Speeds, Tapping, Products, Tapping Torque Requirements & Speeds 48 16 false tapping_torque_requirements_speeds 2007-10-18T18:34:20+00:00 true