Roll Tap Drill Size Chart Pdf
147.06 (example m8 x 1.25 tap with 65% thread) = 8 — application forming taps cold form threads in ductile materials such as brass, copper, aluminum and leaded steels as well as. (77% thread is what you want to use) a 100% thread is 3/4 qtr , or (6/8 th ), of the full 60° triangle which is the maximum allowed height of a full thread, the v shape, including flats. Drill Size Chart Your answers to these questions can help us find the most suitable, cost effective design to meet your requirements. Roll tap drill size chart pdf . Drilled hole size (mm) = basic major dia. Please allow up to 24 hours for a response to a special tool request. Metric tap drill sizes metric tap tap drill (mm) decimal (inch) m1.6 x 0.35 1.25.0492 m1.8 x 0.35 1.45.0571 m2 x 0.4 1.60.0630 m2.2 x 0.45 1.75.0689 m2.5 x 0.45 2.05.0807 m3 x 0.5 2.50.0984 m3.5 x 0.6 2.90.1142 m4 x 0.7 3.30.1299 m4.5 x 0.75 3.70.1457 m5 x 0.8 4.20.1654 m6 x 1 5.00.1968 m7 x 1 6.00.2362 m8 x 1.25 6.70.2638 m8 x 1 7.00.2756 Dr...