9/16 TMCOS18 1-5/32 11/16 1-19/64 5/16 5/16
Open End, mm
7 TMCOM7 13.5 13.2 24.4 6.6 6.6
8 TMCOM8 16.8 14.1 25.9 6.6 6.6
10 TMCOM10 19.8 14.6 27.5 6.6 6.6
11 TMCOM11 22.4 16.0 29.4 7.9 7.9
12 TMCOM12 24.4 16.5 30.6 7.9 7.9
13 TMCOM13 26.4 16.6 31.2 7.9 7.9
14 TMCOM14 29.0 17.7 32.9 7.9 7.9
Open End, inches
1/4 TMCO8 17/32 17/32 31/32 1/4 1/4
5/16 TMCO10 21/32 9/16 1-1/32 1/4 1/4
3/8 TMCO12 25/32 19/32 1-3/32 1/4 1/4
7/16 TMCO14 7/8 5/8 1-5/32 5/16 5/16
1/2 TMCO16 1-1/32 21/32 1-1/4 5/16 5/16
9/16 TMCO18 1-1/8 11/16 1-9/32 5/16 5/16
Flank Drive® Flare Nut/Shallow, 12-Point, inches
1/4 TMRX8 13/32 1/8 31/32 1/4 75
5/16 TMRX10 1/2 3/16 31/32 1/4 75
3/8 TMRX12 19/32 1/4 31/32 1/4 75
Flank Drive® Flare Nut/Deep, 12-Point, inches
3/8 AN85086B 19/32 9/32 1/2 1/2 75
7/16 AN85087B 11/16 11/32 9/16 9/16 200
1/2 AN85088B 25/32 13/32 19/32 9/16 200
9/16 AN85089B 27/32 15/32 5/8 9/16 200
Flank Drive® Plus/Open End, inches
5/8 FCOS20 1-1/4 27/32 1-19/32 7/32 17/32
3/4 FCOS24 1-17/32 1 1-29/32 1/4 17/32
15/16 FCOS30 2 1-1/8 2-1/8 23/64 43/64
1-1/16 FCOS34 2 1-3/32 2-1/8 23/64 43/64
