Attributes . Width Across Flats . Values

0.551 to 0.562 in (1)   1 1/16 in (3)   1 1/2 in (3)   1 1/8 in (4)   1 11/16 in (2)   1 3/8 in (1)   1 5/16 in (5)   1 7/16 in (1)   1 7/8 in (2)   1 in (2)   1-1/16" (1)   1-1/4 in (1)   1-3/8" (2)   1-5/8 in (1)   1-5/8" (1)   1.13 in (2)   1/2 in (8)   1/2" (2)   1/4 in (1)   10 mm (2)   10.0 mm (2)   11/16 in (7)   11/32 in. (2)   12.7 mm (2)   13#16 (1)   13.0 mm (1)   15#16 (2)   15.0 mm (1)   15/16 in (9)   17 mm (3)   17.0 mm (1)   19 mm (2)   19.0 mm (3)   2 1/16 in (4)   2 1/4 in (3)   2 1/4" (1)   2 15/16 in (1)   2 3/16 in (1)   2 5/8 in (2)   2 in (2)   2-3/16" (3)   2-3/8 in (3)   22 mm (1)   22.0 mm (1)   22.2 mm (1)   23.67 to 24 mm (2)   24.0 mm (1)   27.0 mm (2)   29.16 to 30 mm (2)   3 1/2 in (2)   3 3/4 in (1)   3 7/8 in (1)   3 in (1)   3.82 to 4 mm (1)   3/16 in (2)   3/4 in (14)   3/8 in (6)   3/8" (1)   30 mm (1)   30.0 mm (1)   36 mm (1)   36.0 mm (3)   39/64 in (1)   4 5/8 in (1)   41.0 mm (1)   46 mm (3)   46.0 mm (2)   46.00mm (3)   5.32 to 5.5 mm (1)   5.5 mm (1)   5/8 (1)   5/8 in (2)   50.0 mm (3)   55 mm (2)   55.0 mm (2)   5mm (3)   7.0 mm (2)   7/16 in (13)   7/32 in (1)   7/8 (1)   7/8 in (6)   70 mm (3)   8 mm (5)   9/16 in (2)   9/16" (2)   9mm (1)