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!
Looking for other Tap and Drill Guides?
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 |
