 |
 |
Tap |
Metric Drill |
Tap |
Die |
3mm x 0.5 |
2.5mm |
 |
|
4mm x 0.7 |
3.4mm |
 |
|
5mm x 0.8 |
4.3mm |
 |
|
6mm x 1.0 |
5.2mm |
 |
|
7mm x 0.75 |
6.1mm |
|
 |
7mm x 1.0 |
6.1mm |
 |
|
8mm x 1.25 |
6.9mm |
 |
|
8mm x 1.0 |
7.1mm |
|
|
10mm x 1.5 |
8.7mm |
 |
|
10mm x 1.25 |
8.9mm |
|
|
10mm x 1.0 |
9.1mm |
|
|
12mm x 1.75 |
10.5mm |
 |
|
12mm x 1.5 |
10.7mm |
|
|
14mm x 1.0 |
12.5mm |
 |
 |
18mm x 2.5 |
15.5mm |
|
 |
|
|
UNC Tap x TPI |
Imperial Drill |
Metric equivalent |
Tap |
Die |
1 x 64 |
53 |
1.5mm |
|
|
2 x 56 |
50 |
1.8mm |
|
3 x 48 |
47 |
2.1mm |
|
|
4 x 40 |
43 |
2.3mm |
|
|
5 x 40 |
38 |
2.6mm |
|
|
6 x 32 |
36 |
2.8mm |
|
|
8 x 32 |
29 |
3.4mm |
|
|
10 x 24 |
25 |
3.8mm |
|
|
12 x 24 |
16 |
4.4mm |
|
|
1/4 x 20 |
7 |
5.1mm |
 |
|
5/16 x 18 |
F |
6.5mm |
 |
 |
3/8 x 16 |
5/16 |
8.0mm |
|
|
7/16 x 14 |
U |
9.5mm |
|
|
1/2 x 13 |
27/64 |
11.0mm |
|
|
|
|
UNF Tap x TPI |
Imperial Drill |
Metric equivalent |
Tap |
Die |
0 x 80 |
3/68 |
1.1mm |
|
|
1 x 72 |
53 |
1.5mm |
|
|
2 x 64 |
50 |
1.8mm |
|
|
3 x 56 |
45 |
2.2mm |
|
|
4 x 48 |
42 |
2.4mm |
|
|
5 x 44 |
37 |
2.7mm |
|
|
6 x 40 |
33 |
2.9mm |
|
|
8 x 36 |
29 |
3.5mm |
|
|
10 x 32 |
21 |
4.0mm |
|
|
12 x 28 |
14 |
4.6mm |
|
|
1/4 x 28 |
3 |
5.4mm |
|
|
5/16 x 24 |
I |
6.8mm |
 |
|
3/8 x 24 |
Q |
8.4mm |
 |
 |
7/16 x 20 |
25/64 |
9.8mm |
|
|
1/2 x 20 |
29/64 |
11.5mm |
 |
 |
1/2 x 28 |
29/64 |
11.5mm |
 |
|