Model | A | B | C | D | inch | m/m | inch | m/m | inch | m/m | inch | m/m | inch | m/m | FN-12021 | FN-12021M | 5/16 | M8
x 1.25 | 3/4 | 19 | 3/8 | 10 | 9/16 | 13 | FN-13031 | FN-13031M | 3/8-16 | M10
x 1.5 | 7/8 | 22 | 1/2 | 13 | 11/16 | 17 | 0 | FN-14545M | 0 | M14
x 2.0 | 0 | 29 | 0 | 17 | 0 | 21 | FN-15051 | FN-15051M | 5/8-11 | M16
x 2.0 | 1-3/8 | 35 | 7/8 | 22 | 1-1/32 | 26 | FN-16061 | FN-16061M | 3/4-10 | M20
x 2.5 | 1-3/4 | 42 | 1 | 25 | 1-1/4 | 32 | FN-17071 | FN-17071M | 7/8-9 | M20
x 2.5 | 1-3/4 | 42 | 1-1/8 | 25 | 1-7/16 | 32 | FN-18081 | FN-18081M | 1-8 | M24
x 3.0 | 2 | 50 | 1-1/4 | 32 | 1-5/8 | 41 |
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