JIS B 1181 Hexagon Nuts and Hexagon Thin Nuts with Whitworth Coarse Tthread

DIN Hexagon Nuts   Thread size W 1/8 W 5/32 W 3/16 W 1/4 W 5/16 W 3/8 W 7/16 W 1/2 W 5/8 W 3/4 W 7/8 W 1 W 1 1/8 W 1 1/4 W 1 3/8 W 1 1/2 Thread per inch 32 32 24 20 18 16 14 12 11 10 9 8 7 7 6 6 smax 5.5 7 8 10 14 17 19 21 26 32 35 41 46 50 54 58 eabout 6.4 8.1 9.2 11.5 16.1 19.6 21.9 24.2 30 37 40.4 47.3 53.1 57.7 62.3 66.9 Type 1/2 mmax 2.4 3.2 4.0 5.0 6.5 8.0 9.0 10.0 13.0 16.0 18.0 20.0 22.0 25.0 28.0 30.0 Type 3 m1max       3.6 5.0 6.0 7.0 7.0 10.0 12.0 13.0 16.0 18.0 20.0 21.0 23.0