Tap and Drill
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Simple Drill and Tap Chart - Metric


Every tool site has a Drill and Tap Chart. They are stuffed with lots of useless information and are often so small you need a magnifying glass to read them. Here is a simple and concise version that should be useful on a phone or tablet. These tables are for METRIC Your eyes will thanks me later! If you need a size not listed hit up Google!

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Click for the Inch (Imperial) Tap and Drill Chart

Click for the British Tap and Drill Chart
Tap and Drill Chart - Metric
Tap size Drill Size (mm) Drill Size (inch)
M1.6x0.35 1.25 #55
M2x0.4 1.60 #52
M2.5x0.45 2.05 #46
M3x.05 2.50 #39
M3.5x0.6 2.90 #32
M4x0.7 3.30 #30
M5x0.8 4.20 #19
M6x1 5.0 #8
M8x1.25 6.8 H
M8x1 7.0 J
M10x1.5 8.5 R
M10x1.25 8.8 11/32
M12x1.75 10.2 13/32
M12x1.25 10.8 27/64
M14x2 12.0 15/32
M14x1.5 12.5 1/2
M16x2 14.0 35/64
M16x1.5 14.5 37/64
M18x2.5 15.5 39/64
M18x1.5 16.5 21/32
M20x2.5 17.5 11/16
M20x1.5 18.5 47/64
M22x2.5 19.5 49/64
M22x1.5 20.5 13/16
M24x3 21.0 53/64
M24x2 22.0 7/8
M27x3 24.0 15/16
M27x2 25.0 1
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Above is the Metric Drill chart in HTML format (you can copy and past), Below is the same an a .GIF IMAGE
Tap and Drill Chart Metric