HEX HEAVY SEMI

Nominal Size or Basic Major Dia. of Thread		Width Across Flats			Width Across Corners		Thickness
Nominal Size or Basic Major Dia. of Thread		Basic	Max.	Min.	Max.	Min.	Basic	Max.	Min.
1/4	0.2500	1/2	0.500	0.488	0.577	0.556	11/64	0.188	0.156
5/16	0.3125	9/16	0.562	0.546	0.650	0.622	13/64	0.220	0.186
3/8	0.3750	11/16	0.688	0.669	0.794	0.763	15/64	0.252	0.216
7/16	0.4375	3/4	0.750	0.728	0.866	0.830	17/64	0.285	0.247
1/2	0.5000	7/8	0.875	0.850	1.010	0.969	19/64	0.317	0.277
9/16	0.5625	15/16	0.938	0.909	1.083	1.037	21/64	0.349	0.307
5/8	0.6250	1-1/16	1.062	1.031	1.227	1.175	23/64	0.381	0.337
3/4	0.7500	1-1/4	1.250	1.212	1.443	1.382	27/64	0.446	0.398
7/8	0.8750	1-7/16	1.438	1.394	1.660	1.589	31/64	0.510	0.458
1	1.0000	1-5/8	1.625	1.575	1.876	1.796	35/64	0.575	0.519
1-1/8	1.1250	1-13/16	1.812	1.756	2.093	2.002	39/64	0.639	0.579
1-1/4	1.2500	2	2.000	1.938	2.309	2.209	23/32	0.751	0.687
1-3/8	1.3750	2-3/16	2.188	2.119	2.526	2.416	25/32	0.815	0.747
1-1/2	1.5000	2-3/8	2.375	2.300	2.742	2.622	27/32	0.880	0.808
1-5/8	1.6250	2-9/16	2.562	2.481	2.959	2.828	29/32	0.944	0.868
1-3/4	1.7500	2-3/4	2.750	2.662	3.175	3.035	31/32	1.009	0.929
1-7/8	1.8750	2-15/16	2.938	2.844	3.392	3.242	1-1/32	1.073	0.989
2	2.0000	3-1/8	3.125	3.025	3.608	3.449	1-3/32	1.138	1.050
2-1/4	2.2500	3-1/2	3.500	3.388	4.041	3.862	1-13/64	1.251	1.155
2-1/2	2.5000	3-7/8	3.875	3.750	4.474	4.275	1-29/64	1.505	1.401
2-3/4	2.7500	4-1/4	4.250	4.112	4.907	4.688	1-37/64	1.634	1.522
3	3.0000	4-5/8	4.625	4.475	5.340	5.102	1-45/64	1.763	1.643
3-1/4	3.2500	5	5.000	4.838	5.774	5.515	1-13/16	1.876	1.748
3-1/2	3.5000	5-3/8	5.375	5.200	6.207	5.928	1-15/16	2.006	1.870
3-3/4	3.7500	5-3/4	5.750	40451	6.640	6.341	2-1/16	2.134	1.990
4	4.0000	6-1/8	6.125	5.925	7.073	6.755	2-3/16	2.264	2.112

HEX HEAVY SEMI- FINISHED JAM NUTS DIMENSIONS
	All Dimensions in inches