ASME B18.17 Type C Style 2 Wing Screws

Nominal Size	Threads per Inch	A		B		C		E		F		G		L
		Wing Spread		Wing Height		Wing Thick		Boss Dia		Boss Dia		Height		Practical Screw Lengths
		Max	Min	Max	Min	Max	Min	Max	Min	Max	Min	Max	Min	Max	Min
ANSI B18.17 -6 (0.1380)	32	0.85	0.83	0.45	0.43	0.15	0.12	...	...	0.41	0.39	0.12	0.07	0.75	0.25
ANSI B18.17 -8 (0.1640)	32	0.85	0.83	0.45	0.43	0.15	0.12	...	...	0.41	0.39	0.12	0.07	1	0.38
ANSI B18.17 -10 (0.1900)	24, 32	0.85	0.83	0.45	0.43	0.15	0.12	...	...	0.41	0.39	0.12	0.07	1.25	0.38
ANSI B18.17 -1⁄4 (0.2500)	20	1.08	1.05	0.56	0.53	0.17	0.14	...	...	0.46	0.44	0.12	0.07	1.5	0.5
ANSI B18.17 -5⁄16(0.3125)	18	1.23	1.2	0.64	0.62	0.22	0.19	...	...	0.51	0.49	0.14	0.1	1.5	0.5
ANSI B18.17 -3⁄8 (0.3750)	16	1.45	1.42	0.74	0.72	0.24	0.21	...	...	0.63	0.62	0.15	0.12	1.5	0.5