Click Specification

Heavy Hex Bolts [Table 3]

ASME B 18.2.1 (T3) - 2010

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^*Models with different eras.

Screw Thread
d

3/8

1/2

5/8

3/4

7/8

1-1/8

1-1/4

1-3/8

d_s	max
	min
s	Basic
	max
	min
e	max
	min
k	Basic
	max
	min
r	max
	min
b	L≤6
	L＞6

0.388	0.515	0.642	0.768	0.895	1.022	1.149	1.277	1.404
0.360	0.482	0.605	0.729	0.852	0.976	1.098	1.223	1.345
11/16	7/8	1-1/16	1-1/4	1-7/16	1-5/8	1-13/16	2	2-3/16
0.688	0.875	1.062	1.250	1.438	1.625	1.812	2.000	2.188
0.669	0.850	1.031	1.212	1.394	1.575	1.756	1.938	2.119
0.794	1.010	1.227	1.443	1.660	1.876	2.093	2.309	2.526
0.763	0.969	1.175	1.383	1.589	1.796	2.002	2.209	2.416
1/4	11/32	27/64	1/2	37/64	43/64	3/4	27/32	29/32
0.268	0.364	0.444	0.524	0.604	0.700	0.780	0.876	0.940
0.226	0.302	0.378	0.455	0.531	0.591	0.658	0.749	0.810
0.030	0.030	0.060	0.060	0.060	0.090	0.090	0.090	0.090
0.010	0.010	0.020	0.020	0.020	0.030	0.030	0.030	0.030
1.000	1.250	1.500	1.750	2.000	2.250	2.500	2.750	3.000
1.250	1.500	1.750	2.000	2.250	2.500	2.750	3.000	3.250

Screw Thread
d

1-1/2

1-5/8

1-3/4

1-7/8

2-1/4

2-1/2

2-3/4

d_s	max
	min
s	Basic
	max
	min
e	max
	min
k	Basic
	max
	min
r	max
	min
b	L≤6
	L＞6

1.531	1.658	1.785	1.912	2.039	2.305	2.559	2.827	3.081
1.470	1.591	1.716	1.839	1.964	2.214	2.461	2.711	2.961
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
2.375	2.562	2.750	2.938	3.125	3.500	3.875	4.250	4.625
2.300	2.481	2.662	2.844	3.025	3.388	3.750	4.112	4.475
2.742	2.959	3.175	3.392	3.608	4.041	4.474	4.907	5.340
2.622	2.829	3.035	3.242	3.449	3.862	4.275	4.688	5.102
1	1-3/32	1-5/32	1-1/4	1-11/32	1-1/2	1-21/32	1-13/16	2
1.036	1.116	1.196	1.276	1.388	1.548	1.708	1.869	2.060
0.902	0.978	1.054	1.130	1.175	1.327	1.479	1.632	1.815
0.090	0.090	0.120	0.120	0.120	0.190	0.190	0.190	0.190
0.030	0.030	0.040	0.040	0.040	0.060	0.060	0.060	0.060
3.250	3.500	3.750	4.000	4.250	4.750	5.250	5.750	6.250
3.500	3.750	4.000	4.250	4.500	5.000	5.500	6.000	6.500

Alternative history

ASME B 18.2.1T3 - 1996 ASME B 18.2.1T3 - 2010 ASME B 18.2.1T3 - 2012

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