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Heavy Hex Nuts and Heavy Hex Jam Nuts [Table 11]

ASME B 18.2.2 (T11) - 2022

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Screw Thread
d

1/4

5/16

3/8

7/16

1/2

9/16

5/8

3/4

7/8

1-1/8

1-1/4

1-3/8

d
PP	UNC
	UNF
	8-UN
s	Nominal Size
	min
	max
e	min
	max
m	Nominal Size
	min
	max
m₁	Nominal Size
	min
	max

0.2500	0.3125	0.3750	0.4375	0.5000	0.5625	0.6250	0.7500	0.8750	1.0000	1.1250	1.2500	1.3750
20	18	16	14	13	12	11	10	9	8	7	7	6
28	24	24	20	20	18	18	16	14	12	12	12	12
-	-	-	-	-	-	-	-	-	-	8	8	8
1/2	9/16	11/16	3/4	7/8	15/16	1-1/16	1-1/4	1-7/16	1-5/8	1-13/16	2	2-3/16
0.488	0.546	0.669	0.728	0.850	0.909	1.031	1.212	1.394	1.575	1.756	1.938	2.119
0.500	0.562	0.688	0.750	0.875	0.938	1.062	1.250	1.438	1.625	1.812	2.000	2.188
0.556	0.622	0.763	0.830	0.969	1.037	1.175	1.382	1.589	1.796	2.002	2.209	2.416
0.577	0.650	0.794	0.866	1.010	1.083	1.227	1.443	1.660	1.876	2.093	2.309	2.526
15/64	19/64	23/64	27/64	31/64	35/64	39/64	47/64	55/64	63/64	1-7/64	1-7/32	1-11/32
0.218	0.280	0.341	0.403	0.464	0.526	0.587	0.710	0.833	0.956	1.079	1.187	1.310
0.250	0.314	0.377	0.441	0.504	0.568	0.631	0.758	0.885	1.012	1.139	1.251	1.378
11/64	13/64	15/64	17/64	19/64	21/64	23/64	27/64	31/64	35/64	39/64	23/32	25/32
0.156	0.186	0.216	0.247	0.277	0.307	0.337	0.398	0.458	0.519	0.579	0.687	0.747
0.188	0.220	0.252	0.285	0.317	0.349	0.381	0.446	0.510	0.575	0.639	0.751	0.815

Screw Thread
d

1-1/2

1-5/8

1-3/4

1-7/8

2-1/4

2-1/2

2-3/4

3-1/4

3-1/2

3-3/4

d
PP	UNC
	UNF
	8-UN
s	Nominal Size
	min
	max
e	min
	max
m	Nominal Size
	min
	max
m₁	Nominal Size
	min
	max

1.5000	1.6250	1.7500	1.8750	2.0000	2.2500	2.5000	2.7500	3.0000	3.2500	3.5000	3.7500	4.0000
6	-	5	-	4-1/2	4-1/2	4	4	4	4	4	4	4
12	-	-	-	-	-	-	-	-	-	-	-	-
8	8	8	8	8	8	8	8	8	8	8	8	8
2-3/8	2-9/16	2-3/4	2-15/16	3-1/8	3-1/2	3-7/8	4-1/4	4-5/8	5	5-3/8	5-3/4	6-1/8
2.300	2.481	2.662	2.844	3.025	3.388	3.750	4.112	4.475	4.838	5.200	5.562	5.925
2.375	2.562	2.750	2.938	3.125	3.500	3.875	4.250	4.625	5.000	5.375	5.750	6.125
2.622	2.828	3.035	3.242	3.449	3.862	4.275	4.688	5.102	5.515	5.928	6.341	6.755
2.742	2.959	3.175	3.392	3.608	4.041	4.474	4.907	5.340	5.774	6.207	6.640	7.073
1-15/32	1-19/32	1-23/32	1-27/32	1-31/32	2-13/64	2-29/64	2-45/64	2-61/64	3-3/16	3-7/16	3-11/16	3-15/16
1.433	1.556	1.679	1.802	1.925	2.155	2.401	2.647	2.893	3.124	3.370	3.616	3.862
1.505	1.632	1.759	1.886	2.013	2.251	2.505	2.759	3.013	3.252	3.506	3.760	4.014
27/32	29/32	31/32	1-1/32	1-3/32	1-13/64	1-29/64	1-37/64	1-45/64	1-13/16	1-15/16	2-1/16	2-3/16
0.808	0.868	0.929	0.989	1.050	1.155	1.401	1.522	1.643	1.748	1.870	1.990	2.112
0.880	0.944	1.009	1.073	1.138	1.251	1.505	1.634	1.763	1.876	2.006	2.134	2.264

Alternative history

ASME/ANSI B 18.2.2T9 - 1987(R1999) ASME/ANSI B 18.2.2T10 - 2010 ASME B 18.2.2T10 - 2015 ASME B 18.2.2T11 - 2022

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