MACHINE SCREWS INDENTED HEX SLOT WASHER HEAD  HEAD DIMENSIONS
	All Dimensions in Inches

Basic Screw Diameter	Width  Across  Flats		Width  Across Corners	Head  Height		Diameter of Washer		Thickness of Washer		Width of  Slot		Depth of  Slot
	Max.	Min.	Min.	Max.	Min.	Max.	Min.	Max.	Min.	Max.	Min.	Max.	Min.
4/40	.187	.181	.202	.060	.049	.243	.225	.019	.011	.039	.031	.042	.025
5/40	.187	.181	.202	.070	.058	.260	.240	.0.25	.015	.043	.035	.049	.030
6/32	.250	.244	.272	.093	.080	.328	.302	.0.25	.015	.048	.039	.053	.033
8/32	.250	.244	.272	.110	.096	.348	.322	.031	.019	.054	.045	.074	.052
10/24	.312	.305	.340	.120	.105	.414	.384	.031	.019	.060	.050	.080	.057
10/32	.312	.305	.340	.120	.105	.414	.384	.031	.019	.060	.050	.080	.057
12/24	.312	.305	.340	.155	.139	.432	.398	.039	.022	.067	.056	.103	.077
1/4	.375	.367	.409	.190	.172	.520	.480	.050	.030	.075	.064	.111	.083
5/16	.500	.489	.545	.230	.208	.676	.624	.055	.035	.084	.072	.134	.100
3/8	.562	.551	.614	.295	.270	.780	.720	.063	.037	.094	.081	.168	.131