Metric Drill and Tap Tables





Stock Sizes of Metric Drills





Drill Sizes in mm
0.32
0.9
2
3.4
5.8
8.1
10.4
12.7
16.5
21.5
0.35
0.92
2.05
3.5
5.9
8.2
10.5
12.8
16.75
21.75
0.38
0.95
2.1
3.6
6
8.3
10.6
12.9
17
22
0.4
1
2.15
3.7
6.1
8.4
10.7
13
17.25
22.25
0.42
1.05
2.2
3.8
6.2
8.5
10.8
13.1
17.5
22.5
0.45
1.1
2.25
3.9
6.3
8.6
10.9
13.2
17.75
22.75
0.48
1.15
2.3
4
6.4
8.7
11
13.3
18
23
0.5
1.2
2.35
4.1
6.5
8.8
11.1
13.4
18.25
23.25
0.52
1.25
2.4
4.2
6.6
8.9
11.2
13.5
18.75
23.5
0.55
1.3
2.45
4.3
6.7
9
11.3
13.6
19
23.75
0.58
1.35
2.5
4.4
6.8
9.1
11.4
13.7
19.25
24
0.6
1.4
2.6
4.5
6.9
9.2
11.5
13.8
19.5
24.25
0.62
1.45
2.65
4.6
7
9.3
11.6
13.9
19.75
24.5
0.65
1.5
2.7
4.7
7.1
9.4
11.7
14
20
24.75
0.68
1.55
2.75
4.8
7.2
9.5
11.8
14.25
20.25
25
0.7
1.6
2.8
4.9
7.3
9.6
11.9
14.5
20.5
25.25
0.72
1.65
2.85
5.1
7.4
9.7
12
14.75
20.75
 
0.75
1.7
2.9
5.2
7.5
9.8
12.1
15
21
 
0.78
1.75
2.95
5.3
7.6
9.9
12.2
15.25
21.25
 
0.8
1.8
3
5.4
7.7
10
12.3
15.5
20.5
 
0.82
1.85
3.1
5.5
7.8
10.1
12.4
15.75
20.75
 
0.85
1.9
3.2
5.6
7.9
10.2
12.5
16
21
 
0.88
1.95
3.3
5.7
8
10.3
12.6
16.25
21.25
 


               Metric Thread Pitch and Tapping Sizes



SizePitch (mm)Tapping Diameter (mm)Clearance Holes (mm)
 CoarseFineCoarseFineCloseMediumCoarse
M1.60.35
1.25
1.71.82
M20.4 1.6 2.22.42.6
M2.50.45
2.05
2.72.93.1
M30.5 2.5 3.23.43.6
M40.7
3.3
4.34.54.8
M50.8 4.2 5.35.55.8
M61
5
6.46.67
M81.2516.878.4910
M101.51.258.58.710.51112
M121.751.2510.210.8131415
M1621.51414.5171819
M202.51.517.518.5212224
M24322122252628
M303.5226.528313335
M36433233373942