Do not select adaptors beyond the capacity of tapping unit its selfAdaptor
series &
tap size
range
Tap Size Order
code
number
D I
5
C S Permissible
torque lb/ft
0-6 FT46 .91 .83 .77 .141 1.1
8 FT47 .91 .83 .84 .168 1.7
10 FT48 .91 .83 .84 .194 2.2
12 FT49 .91 .83 .87 .220 2.5
QCP – 0
# 0 - 14
¼ FT50 .91 .83 .87 .255 4.3
0-6 FT51 1.26 .98 .85 .141 1.1
8 FT52 1.26 .98 .92 .168 1.7
10 FT53 1.26 .98 .92 .194 2.2
12 FT54 1.26 .98 .95 .220 2.5
¼ FT55 1.26 .98 .95 .255 4.3
5/16 FT56 1.26 .98 .98 .318 7.2
3/8 FT57 1.26 .98 1.05 .381 10.8
7/16 FT58 1.26 .98 1.08 .323 17.0
½ FT59 1.26 .98 1.11 .367 25.0
9/16 FT595 1.26 .98 1.06 .429 29.0
1/8SS FT600 1.26 .98 1.05 .313 7.0
QCP – 1
# 0- 9/16
1/8”
Pipe
1/8LS FT611 1.26 .98 1.05 .438 29.0
5/16 FT62 1.97 1.34 1.49 .318 7.2
3/8 FT63 1.97 1.34 1.56 .381 10.8
7/16 FT64 1.97 1.34 1.59 .323 17.0
½ FT65 1.97 1.34 1.62 .367 25.0
9/16 FT66 1.97 1.34 1.68 .429 29.0
5/8 FT67 1.97 1.34 1.74 .480 36.0
11/16 FT68 1.97 1.34 1.81 .542 40.0
¾ FT69 1.97 1.34 1.87 .652 53.0
QCP – 2
5/16” –
7/8”
13/16 FT70 1.97 1.34 1.87 .652 57.0
7/8 FT71 1.97 1.34 1.93 .697 69.0
1/4P FT22 1.97 1.34 1.18 .562 11.0
1/8p FT44 1.97 1.34 1.24 .700 14.0
QCP – 2
¼” – ½”
Pipe
1/2p FT44 1.97 1.34 1.37 .687 32.0
Top Shank Conversion Chart ISO to American Standard
NOTE: Most US manufacturers of metric taps supply them with U.S. standard shanks.
Following is a list of the more popular metric sizes and the American standard shanks used.
ISO US ISO US
M1.6, 1.8, 2, 1.2, #0 - #6 M7,7 5/16”
3, 3.5 #0 - #6 M10 3/8”
M4 #8 M12, 12.5 ½”
M4.5, 5 #10 M14 9/16”
M6, 6.3 ¼” M16 5/8”