Stand Metric Threads Tap Drills Chart
StandMetricThreadsTapDrillsChart.pdf American Standard & ISO Metric Thread Sizes & Tap Drills * Indicates Size of drill to be used before tapping American Standard Thread ISO Metric Thread Thread Size Tap Drill Size (in.) Thread Size Tap Drill Size (mm) 0-80 3/64 M1 x 0.25 0.75 1-64 #53 M1.1 x 0.25 0.85 1-72 #53 M1.2 x… Continue reading Stand Metric Threads Tap Drills Chart
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