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Nuts

Forged Wing Nuts

Dimensions of Type B, Style 1 Wing Nuts

Nominal Size or
Basic Major Dia.
of Thread		 Threads
per Inch		 A B C D E G
Wing Spread Wing Height Wing Thickness Between Wings Boss Diameter Boss Height
Max Min Max Min Max Min Max Min Max Min Max Min
5 (0.1250) 40 0.78 0.72 0.36 0.30 0.13 0.10 0.28 0.22 0.31 0.28 0.22 0.16
10 (0.1900) 24 0.97 0.91 0.45 0.39 0.15 0.12 0.34 0.28 0.39 0.36 0.28 0.22
1/4 (0.2500) 20 1.16 1.09 0.56 0.50 0.17 0.14 0.41 0.34 0.47 0.44 0.34 0.28
5/16 (0.3125) 18 1.44 1.38 0.67 0.61 0.18 0.1 5 0.50 0.44 0.55 0.52 0.41 0.34
3/8 (0.3750) 16 1.72 1.66 0.80 0.73 0.20 0.17 0.59 0.53 0.63 0.60 0.47 0.41
7/16 (0.4375) 14 2.00 1.94 0.91 0.84 0.21 0.18 0.69 0.62 0.71 0.68 0.53 0.47
1/2 (0.5000) 13 2.31 2.22 1.06 0.94 0.23 0.20 0.78 0.69 0.79 0.76 0.62 0.50
9/16 (0.5625) 12 2.59 2.47 1.17 1.05 0.25 0.21 0.88 0.78 0.88 0.84 0.69 0.56
5/8 (0.6250) 11 2.84 2.72 1.31 1.19 0.27 0.23 0.94 0.84 0.96 0.92 0.75 0.62
3/4 (0.7500) 10 3.31 3.19 1.52 1.39 0.29 0.25 1.10 1.00 1.12 1.08 0.88 0.75

Dimensions of Type B, Style 2 Wing Nuts

Nominal Size or
Basic Major Dia.
of Thread		 Threads
per Inch		 A B C D E G
Wing Spread Wing Height Wing Thickness Between Wings Boss Diameter Boss Height
Max Min Max Min Max Min Max Min Max Min Max Min
5 (0.1250) 40 0.81 0.75 0.62 0.56 0.12 0.09 0.28 0.22 0.31 0.28 0.22 0.16
10 (0.1900) 24 1.01 0.95 0.78 0.72 0.14 0.11 0.35 0.29 0.39 0.36 0.28 0.22
1/4 (0.2500) 20 1.22 1.16 0.94 0.88 0.16 0.13 0.41 0.35 0.47 0.44 0.34 0.28
5/16 (0.3125) 18 1.43 1.37 1.09 1.03 0.17 0.14 0.48 0.42 0.55 0.52 0.41 0.34
3/8 (0.3750) 16 1.63 1.57 1.25 1.19 0.18 0.15 0.55 0.49 0.63 0.60 0.47 0.41
7/16 (0.4375) 14 1.90 1.84 1.42 1.36 0.19 0.16 0.62 0.56 0.71 0.68 0.53 0.47
1/2 (0.5000) 13 2.13 2.04 1.58 1.45 0.20 0.17 0.69 0.60 0.79 0.76 0.62 0.50
9/16 (0.5625) 12 2.40 2.28 1.75 1.62 0.22 0.18 0.76 0.67 0.88 0.84 0.69 0.56
5/8 (0.6250) 11 2.60 2.48 1.91 1.78 0.23 0.19 0.83 0.74 0.96 0.92 0.75 0.62
3/4 (0.7500) 10 3.02 2.90 2.22 2.09 0.24 0.20 0.97 0.88 1.12 1.08 0.88 0.75