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Stainless Steel Hex Heavy Hex Nut

Size: M3-M100, 3/8″ – 4″

Standard: ANSI/ASME b18.2.2 TABLE 10, ASTM A194 2H, UNI5587, ISO4032 ...

Material: Stainless Steel : SS304 /AISI 304, INOX A2, ASTM A194 GR 8,1.4301),

SS316 (AISI 316, INOX A4, ASTM A194 GR8M,1.4401), SS2205 ...

Heavy hex nuts are slightly larger and thicker than standard (finished) hex nuts. There are numerous grades and the heavy pattern is typically used for large diameter and high strength bolts.

Standard: ANSI/ASME b18.2.2 TABLE 10, ASTM A194 2H, ASTM A563, ASTM A563M, UNI5587, ISO4032 ...

Material 1:SS304 (AISI 304, INOX A2, ASTM A194 GR 8,1.4301), SS316 (AISI 316, INOX A4, ASTM A194 GR8M,1.4401), SS2205 ...

2: Carbon steel: Class 4 , Class 8, A194 2H ..

Heavy Hex Nuts: Dimensions (ANSI/ASME B18.2.2)
Nominal or Basic Major Diameter of Thread Click on the size to search products		Width Across Flats (F)			Width Across Corners (G)		Thickness of Hex Nuts (H)
		Basic	Max	Min	Max	Min	Basic	Max	Min
1/4	0.2500	1/2	.500	.488	.577	.556	15/64	0.250	0.218
5/16	0.3125	9/16	.562	.546	.650	.622	19/64	0.314	0.280
3/8	0.3750	11/16	.688	.669	.794	.763	23/64	0.377	0.341
7/16	0.4375	3/4	.750	.728	.866	.830	27/64	0.441	0.403
1/2	0.5000	7/8	.875	.850	1.010	.969	31/64	0.504	0.464
9/16	0.5625	15/16	.938	.909	1.083	1.037	35/64	0.568	0.526
5/8	0.6250	1-1/16	1.062	1.031	1.227	1.175	39/64	0.631	0.587
3/4	0.7500	1-1/4	1.250	1.212	1.443	1.382	47/64	0.758	0.710
7/8	0.8750	1-7/16	1.438	1.394	1.660	1.589	55/64	0.885	0.833
1	1.0000	1-5/8	1.625	1.575	1.876	1.796	63/64	1.012	0.956
1-1/8	1.1250	1-13/16	1.812	1.756	2.093	2.002	1-7/64	1.139	1.079
1-1/4	1.2500	2	2.000	1.938	2.309	2.209	1-7/32	1.251	1.187
1-3/8	1.3750	2-3/16	2.188	2.119	2.526	2.416	1-11/32	1.378	1.310
1-1/2	1.5000	2-3/8	2.375	2.300	2.742	2.622	1-15/32	1.505	1.433
1-5/8	1.6250	2-9/16	2.562	2.481	2.959	2.828	1-19/32	1.632	1.556
1-3/4	1.7500	2-3/4	2.750	2.662	3.175	3.035	1-23/32	1.759	1.679
2	2.000	3-1/8	3.125	3.025	3.608	3.449	1-31/32	2.013	1.925
2-1/4	2.2500	3-1/2	3.500	3.388	4.041	3.862	2-13/64	2.251	2.155
2-1/2	2.5000	3-7/8	3.875	3.750	4.474	4.275	2-29/64	2.505	2.401
2-3/4	2.7500	4-1/4	4.250	4.112	4.907	4.688	2-45/64	2.759	2.647
3	3.000	4-5/8	4.625	4.475	5.340	5.102	2-61/64	3.013	2.893
3-1/4	3.2500	5	5.000	4.838	5.774	5.515	3-3/16	3.252	3.124
3-1/2	3.5000	5-3/8	5.375	5.200	6.207	5.928	3-7/16	3.506	3.370
3-3/4	3.7500	5-3/4	5.750	5.562	6.640	6.341	3-11/16	3.760	3.616
4	4.0000	6-1/8	6.125	5.925	7.073	6.755	3-15/16	4.014	3.862