Saturday, January 3, 2015

ISO Tap chart for Metric threads


Tap Chart - Metric Threads

 

Tap size
Basic major
dia (mm)
Basic major dia
(inch)
mm per thread
Drill size
(mm)
Drill size
(inch)
M1.6 x 0.35
1,6mm
.0630
.35
1,25mm
#55
M2 x 0.4
2mm
.0787
.4
1,6mm
#52
M2.5 x 0.45
2,5mm
.0984
.45
2,05mm
#46
M3 x 0.5
3mm
.1181
.5
2,5mm
#39
M3.5 x 0.6
3,5mm
.1378
.6
2,9mm
#32
M4 x 0.7
4mm
.1575
.7
3,3mm
#30
M5 x 0.8
5mm
.1969
.8
4,2mm
#19
M6 x 1
6mm
.2362
1
5mm
#8
M8 x 1.25
8mm
.3150
1.25
6,8mm
H
M8 x 1
8mm
.3150
1
7mm
J
M10 x 1.5
10mm
.3937
1.5
8,5mm
R
M10 x 1.25
10mm
.3937
1.25
8,8mm
11/32
M12 x 1.75
12mm
.4724
1.75
10,2mm
13/32
M12 x 1.25
12mm
.4724
1.25
10,8mm
27/64
M14 x 2
14mm
.5512
2
12mm
15/32
M14 x 1.5
14mm
.5512
1.5
12,5mm
1/2
M16 x 2
16mm
.6299
2
14mm
35/64
M16 x 1.5
16mm
.6299
1.5
14,5mm
37/64
M18 x 2.5
18mm
.7087
2.5
15,5mm
39/64
M18 x 1.5
18mm
.7087
1.5
16,5mm
21/32
M20 x 2.5
20mm
.7874
2.5
17,5mm
11/16
M20 x 1.5
20mm
.7874
1.5
18,5mm
47/64
M22 x 2.5
22mm
.8661
2.5
19,5mm
49/64
M22 x 1.5
22mm
.8661
1.5
20,5mm
13/16
M24 x 3
24mm
.9449
3
21mm
53/64
M24 x 2
24mm
.9449
2
22mm
7/8
M27 x 3
27mm
1.0630
3
24mm
15/16
M27 x 2
27mm
1.0630
2
25mm
1

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