Metric Threads (60° Flank Angle) - Optimum OPTI turn TU 3008G Operating Manual

Round thread
NPT
Bolt
4.19.1 Metric threads (60° flank angle)
Bolt
Denomination of thread
d = D
Column 1 Column 2
M 1
M 1.1
M 1.2
M 1.4
M 1.6
M 1.8
M 2
M 2.2
M 2.5
M 3
Operation
Version 1.1.6 - 2021-9-17
Nut
Bolt
Nut
Nut
Metric coarse-pitch thread
Sizes in mm: preferably use the threads in column 1
0.25 0.838
0.25 0.938
0.25 1.038
0.3 1.205
0.35 1.373
0.35 1.573
0.4 1.740
0.45 1.908
0.45 2.208
0.5 2.675
Translation of original instruction
RD
NPT
Cone
pitch P
depth of thread of the bolt h2=0.6134 x P
depth of thread of the nut H1 = 0.5413 x P
rounding r = 0.1443 x P
flank diameter d2 = D2 =d - 0.6493
core removing hole drill = d - P
flank angle = 60°
Core diameter
Bolt Nut
d3 D1
0.693 0.729
0.793 0.829
0.893 0.929
1.032 1.075
1.171 1.221
1.371 1.421
1.509 1.567
1.648 1.713
1.948 2.013
2.387 2.459
RD DIN 405
1" – 11 ½" NPT
Depth of thread
Bolt Nut
h3 H1
0.153 0.135 0.036
0.153 0.135 0.036
0.153 0.135 0.036
0.184 0.162 0.043
0.215 0.189 0.051
0.215 0.189 0.051
0.245 0.217 0.058
0.276 0.244 0.065
0.276 0.244 0.065
0.307 0.271 0.072
TU3008G
0.75
0.85
0.95
1.1
1.3
1.5
1.6
1.8
2.1
2.5
GB
47