Tapping tools | CoroTap® 300 CoroTap® 300, cutting tap with spiral flutes​​ Thread form: NPTF Common data values SUBSTRATE COATING HSS-E PVD FeN Metric (mm) M B145 Ordering code TDZ TD DCONMS TPI LU TCTR LF THL NOF PHD BSG THCHT [mm] [mm] [mm] [mm] [mm] [mm] T300-MM100AM-1/16 ● NPTF 1/16-27 7.64 7.95 27 40.00 Normal 80.00 14.00 3 6.10 DIN/ANSI C = 2-3xTP T300-MM100AM-1/8 ● NPTF 1/8-27 9.98 11.10 27 45.00 Normal 90.00 20.00 4 8.40 DIN/ANSI C = 2-3xTP T300-MM100AM-1/4 ● NPTF 1/4-18 13.31 14.27 18 50.00 Normal 100.00 20.00 4 11.00 DIN/ANSI C = 2-3xTP ● = First choice ○ = Good choice 535