Page 419 - THREADING CATALOG

USER GUIDE

Forming TAPS

Recommended Tap Drill Size Recommended Tap Drill Size
M Pitch mm Drill Size mm MF Pitch mm Drill Size mm THREAD DRILLING
1 0.25 0.9 2.5 0.35 2.37
1.1 0.25 1 2.6 0.35 2.47
1.2 0.25 1.1 3 0.35 2.88
1.4 0.3 1.28 3.5 0.35 3.38
1.6 0.35 1.47 4 0.5 3.8
1.7 0.35 1.57 5 0.5 4.8
1.8 0.35 1.67 6 0.5 5.8
2 0.4 1.85 6 0.75 5.7
2.2 0.45 2.03 7 0.75 6.7
2.3 0.4 2.15 8 0.75 7.7
2.5 0.45 2.33 8 1 7.6
2.6 0.45 2.43 9 0.75 8.7
3 0.5 2.8 9 1 8.6
3.5 0.6 3.25 10 0.75 9.7
4 0.7 3.7 10 1 9.6
4.5 0.75 4.2 10 1.25 9.45
5 0.8 4.65 11 1 10.6
6 1 5.55 12 1 11.6
7 1 6.55 12 1.25 11.45
8 1.25 6.6 12 1.5 11.35
9 1.25 7.45 14 1 13.6
10 1.5 8.45 14 1.25 13.45
11 1.5 9.35 14 1.5 13.35
12 1.75 11.25 15 1 14.6
14 2 13.1 15 1.5 14.35
16 2 15.1 16 1 15.6
18 2.5 16.85 16 1.5 15.35
20 2.5 18.85 18 4 17.6
22 2.5 20.85 18 1.5 17.35
24 3 22.65 18 2 17.1
27 3 25.65 20 1 19.6
30 3.5 28.4 20 1.5 19.35
33 3.5 31.4 20 2 19.1
36 4 34.15 24 2 23.1
39 4 37.15 30 2 29.1
42 4.5 39.9 36 3 34.65
45 4.5 42.9 42 4 40.15
48 5 45.65 48 3 46.65

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