|
- Making a Watch by Hand -
Metric Thread Info
Drilling sizes, taps and dies, for metric threads
0.30mm to 2.00mm. All values in mm
|
Thread size
|
Pitch
|
For screws
raw rod dia.
|
For threaded
holes
drill dia.
|
|
0.30
|
0.075
|
0.24
|
0.24
|
|
0.35
|
0.075
|
0.28
|
0.28
|
|
0.40
|
0.100
|
0.32
|
0.32
|
|
0.45
|
0.100
|
0.43
|
0.37
|
|
0.50
|
0.125
|
0.48
|
0.40
|
|
0.55
|
0.125
|
0.53
|
0.45
|
|
0.60
|
0.150
|
0.58
|
0.48
|
|
0.65
|
0.150
|
0.63
|
0.53
|
|
0.70
|
0.175
|
0.68
|
0.56
|
|
0.75
|
0.175
|
0.73
|
0.61
|
|
0.80
|
0.200
|
0.78
|
0.64
|
|
0.85
|
0.200
|
0.83
|
0.69
|
|
0.90
|
0.225
|
0.88
|
0.72
|
|
0.95
|
0.225
|
0.93
|
0.77
|
|
1.00
|
0.250
|
0.97
|
0.80
|
|
1.05
|
0.250
|
1.02
|
0.85
|
|
1.10
|
0.250
|
1.07
|
0.90
|
|
1.20
|
0.250
|
1.17
|
1.00
|
|
1.30
|
0.300
|
1.27
|
1.06
|
|
1.40
|
0.300
|
1.37
|
1.16
|
|
1.50
|
0.350
|
1.47
|
1.26
|
|
1.60
|
0.350
|
1.56
|
1.32
|
|
1.70
|
0.350
|
1.66
|
1.42
|
|
1.80
|
0.350
|
1.76
|
1.52
|
|
2.00
|
0.400
|
1.96
|
1.68
|
Source: Catalog, Bergeon
& Cie., Le Locle
For more info
on metric threads see : http://en.wikipedia.org/wiki/ISO_metric_screw_thread
- Making a Watch by Hand -
|