Cutting speed
Feed
Depth of cut
Material
Measure effective diameter
Measure minor diameter
Measure major diameter
Measure pitch of the thread
Same as British chasing dial
One worm wheel and different dial
One worm wheel and one dial
More than one worm wheel and different dial
122
125
127
129
0.6403 x 1/10 Inch
0.6134 x 1/10 Inch
0.6304 x 1/10 Inch
0.6314 x 1/10 Inch