Stamped Wing Nut                                                       ANSI/ASME B18.17
Nominal Size	Threads per Inch	Wing Spread(A)		Wing Height(B)		Wing Thickness(C)		Between Wings(D)	Boss Diameter(E)		Boss Height(G)	Wall Height	Stock Thickness
		Max	Min	Max	Min	Max	Min	Min	Max	Min	Min	Min	Max	Min
#8	32 & 36	.78	.72	.40	.34	.18	.14	.25	.41	.35	.08	.12	.04	.03
#10	24 & 32	.91	.85	.47	.41	.21	.17	.34	.53	.47	.10	.12	.04	.03
#12	24 & 28	1.09	1.03	.47	.41	.21	.17	.34	.53	.47	.10	.12	.05	.04
1/4	20 & 28	1.11	1.05	.50	.44	.25	.21	.34	.62	.56	.11	.12	.05	.04
5/16	18 & 24	1.30	1.24	.59	.53	.30	.26	.46	.73	.67	.14	.18	.06	.05
3/8	16 & 24	1.41	1.34	.67	.61	.34	.30	.69	.83	.77	.16	.18	.06	.05

 

 

Forged Wing Nut                                                       ANSI/ASME B18.17
Nominal Size	Threads per Inch	Wing Spread(A)		Wing Height(B)		Wing Thickness(C)		Between Wings(D)		Boss Diameter(E)		Boss Height(G)
		Max	Min	Max	Min	Max	Min	Max	Min	Max	Min	Max	Min
#4	40 & 48	.72	.59	.41	.28	.11	.07	.21	.17	.33	.29	.14	.10
#6	32 & 40	.72	.59	.41	.28	.11	.04	.21	.17	.33	.29	.14	.10
#8	32 & 36	.91	.78	.47	.34	.14	.10	.27	.22	.43	.39	.18	.14
#10	24 & 32	.91	.78	.47	.34	.14	.10	.27	.22	.43	.39	.18	.14
#12	24 & 28	1.10	.97	.57	.43	.18	.14	.33	.26	.50	.45	.22	.17
1/4	20 & 28	1.10	.97	.57	.43	.18	.14	.33	.26	.50	.45	.22	.17
5/8	11 & 18	2.76	2.62	1.44	1.31	.40	.34	.90	.80	1.19	1.13	.55	.51
3/4	10 & 16	2.76	2.62	1.44	1.31	.40	.34	.90	.80	1.19	1.13	.55	.51