| RATING & CODE |
NOM. SIZE of Flange |
Number of bolts |
Diameter |
B16.5 L or B16.47 Length |
| 150 # B16.5 |
1/2 |
4 |
1/2 |
2.25 |
| 3/4 |
4 |
1/2 |
2.50 |
| 1 |
4 |
1/2 |
2.50 |
| 1 1/2 |
4 |
1/2 |
2.75 |
| 2 |
4 |
5/8 |
3.25 |
| 3 |
4 |
5/8 |
3.50 |
| 4 |
8 |
5/8 |
3.50 |
| 6 |
8 |
3/4 |
4.00 |
| 8 |
8 |
3/4 |
4.25 |
| 10 |
12 |
7/8 |
4.50 |
| 12 |
12 |
7/8 |
4.75 |
| 14 |
12 |
1 |
5.25 |
| 16 |
16 |
1 |
5.25 |
| 18 |
16 |
1 1/8 |
5.75 |
| 20 |
20 |
1 1/8 |
6.25 |
| 24 |
20 |
1 1/4 |
6.75 |
| 150 # B16.47 Series A |
26 |
24 |
1 1/4 |
8.75 |
| 28 |
28 |
1 1/4 |
9.00 |
| 30 |
28 |
1 1/4 |
9.25 |
| 32 |
28 |
1 1/2 |
10.50 |
| 34 |
32 |
1 1/2 |
10.50 |
| 36 |
32 |
1 1/2 |
11.00 |
| 38 |
32 |
1 1/2 |
11.00 |
| 40 |
36 |
1 1/2 |
11.00 |
| 42 |
36 |
1 1/2 |
11.50 |
| 44 |
40 |
1 1/2 |
12.00 |
| 46 |
40 |
1 1/2 |
12.00 |
| 48 |
44 |
1 1/2 |
12.50 |
| 50 |
44 |
1 3/4 |
13.25 |
| 52 |
44 |
1 3/4 |
13.50 |
| 54 |
44 |
1 3/4 |
14.00 |
| 56 |
48 |
1 3/4 |
14.25 |
| 58 |
48 |
1 3/4 |
14.50 |
| 60 |
52 |
1 3/4 |
15.00 |
|
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| RATING & CODE |
NOM. SIZE of Flange |
Number of bolts |
Diameter |
B16.5 L or B16.47 Length |
| 300 # B16.5 |
1/2 |
4 |
1/2 |
2.50 |
| 3/4 |
4 |
5/8 |
3.00 |
| 1 |
4 |
5/8 |
3.00 |
| 1 1/2 |
4 |
3/4 |
3.50 |
| 2 |
8 |
5/8 |
3.50 |
| 3 |
8 |
3/4 |
4.25 |
| 4 |
8 |
3/4 |
4.50 |
| 6 |
12 |
3/4 |
4.75 |
| 8 |
12 |
7/8 |
5.50 |
| 10 |
16 |
1 |
6.25 |
| 12 |
16 |
1 1/8 |
6.75 |
| 14 |
20 |
1 1/8 |
7.00 |
| 16 |
20 |
1 1/4 |
7.50 |
| 18 |
24 |
1 1/4 |
7.75 |
| 20 |
24 |
1 1/4 |
8.00 |
| 24 |
24 |
1 1/2 |
9.00 |
| 300 # B16.47 Series A |
26 |
24 |
1 5/8 |
10.50 |
| 28 |
28 |
1 5/8 |
11.00 |
| 30 |
28 |
1 3/4 |
11.75 |
| 32 |
28 |
1 7/8 |
12.50 |
| 34 |
32 |
1 7/8 |
12.75 |
| 36 |
32 |
2 |
13.25 |
| 38 |
32 |
1 1/2 |
12.50 |
| 40 |
32 |
1 5/8 |
13.25 |
| 42 |
32 |
1 5/8 |
13.75 |
| 44 |
32 |
1 3/4 |
14.25 |
| 46 |
28 |
1 7/8 |
14.75 |
| 48 |
32 |
1 7/8 |
15.25 |
| 50 |
32 |
2 |
16.00 |
| 52 |
32 |
2 |
16.50 |
| 54 |
28 |
2 1/4 |
17.50 |
| 56 |
28 |
2 1/4 |
17.50 |
| 58 |
32 |
2 1/4 |
18.00 |
| 60 |
32 |
2 1/4 |
18.50 |
|
| RATING & CODE |
NOM. SIZE of Flange |
Number of bolts |
Diameter |
B16.5 L or B16.47 Length |
| 600 # B16.5 |
1/2 |
4 |
1/2 |
3.00 |
| 3/4 |
4 |
5/8 |
3.50 |
| 1 |
4 |
5/8 |
3.50 |
| 1 1/2 |
4 |
3/4 |
4.25 |
| 2 |
8 |
5/8 |
4.25 |
| 3 |
8 |
3/4 |
5.00 |
| 4 |
8 |
7/8 |
5.75 |
| 6 |
12 |
1 |
6.75 |
| 8 |
12 |
1 1/8 |
7.50 |
| 10 |
16 |
1 1/4 |
8.50 |
| 12 |
20 |
1 1/4 |
8.75 |
| 14 |
20 |
1 3/8 |
9.25 |
| 16 |
20 |
1 1/2 |
10.00 |
| 18 |
20 |
1 5/8 |
10.75 |
| 20 |
24 |
1 5/8 |
11.25 |
| 24 |
24 |
1 7/8 |
13.00 |
| 600 # B16.47 Series A |
26 |
28 |
1 7/8 |
13.75 |
| 28 |
28 |
2 |
14.25 |
| 30 |
28 |
2 |
14.50 |
| 32 |
28 |
2 1/4 |
15.25 |
| 34 |
28 |
2 1/4 |
15.50 |
| 36 |
28 |
2 1/2 |
16.25 |
| 38 |
28 |
2 1/4 |
18.00 |
| 40 |
32 |
2 1/4 |
18.50 |
| 42 |
28 |
2 1/2 |
19.75 |
| 44 |
32 |
2 1/2 |
20.00 |
| 46 |
32 |
2 1/2 |
20.50 |
| 48 |
32 |
2 3/4 |
22.00 |
| 50 |
28 |
3 |
23.00 |
| 52 |
32 |
3 |
23.50 |
| 54 |
32 |
3 |
24.00 |
| 56 |
32 |
3 1/4 |
25.00 |
| 58 |
32 |
3 1/4 |
25.50 |
| 60 |
28 |
3 1/2 |
27.00 |
|
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| RATING & CODE |
NOM. SIZE of Flange |
Number of bolts |
Diameter |
B16.5 L or B16.47 Length |
| 900 # B16.5 |
1/2 |
4 |
3/4 |
4.25 |
| 3/4 |
4 |
3/4 |
4.50 |
| 1 |
4 |
7/8 |
5.00 |
| 1 1/2 |
4 |
1 |
5.50 |
| 2 |
8 |
7/8 |
5.75 |
| 3 |
8 |
7/8 |
5.75 |
| 4 |
8 |
1 1/8 |
6.75 |
| 6 |
12 |
1 1/8 |
7.50 |
| 8 |
12 |
1 3/8 |
8.75 |
| 10 |
16 |
1 3/8 |
9.25 |
| 12 |
20 |
1 3/8 |
10.00 |
| 14 |
20 |
1 1/2 |
10.75 |
| 16 |
20 |
1 5/8 |
11.25 |
| 18 |
20 |
1 7/8 |
12.75 |
| 20 |
20 |
2 |
13.75 |
| 24 |
20 |
2 1/2 |
17.25 |
| 900 # B16.47 Series A |
26 |
20 |
2 3/4 |
18.00 |
| 28 |
20 |
3 |
18.75 |
| 30 |
20 |
3 |
19.25 |
| 32 |
20 |
3 1/4 |
20.50 |
| 34 |
20 |
3 1/2 |
21.50 |
| 36 |
20 |
3 1/2 |
22.00 |
| 38 |
20 |
3 1/2 |
23.50 |
| 40 |
24 |
3 1/2 |
24.00 |
| 42 |
24 |
3 1/2 |
24.75 |
| 44 |
24 |
3 3/4 |
26.00 |
| 46 |
24 |
4 |
27.25 |
| 48 |
24 |
4 |
28.00 |
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| TYPES OF STUD BOLTS AND NUTS |
| Mechanical Properties |
| Standard |
Grade |
Service Temp F |
Tensile (PSI) Min. |
Yield (PSI) Min. |
Area Reduc (1%) |
Elomgation (%) |
AISI |
ASTMA 194 Hex Nut |
| ASTM A 193 |
B7 |
32 TO 896 |
125,000 |
105,000 |
50 |
16 |
4140 |
2H |
| B7M |
2 TO 842 |
100,000 |
80,000 |
50 |
18 |
4140 |
2HM |
| B16 |
32 TO 1022 |
125,000 |
105,000 |
50 |
18 |
4140M |
4 |
| B5 |
UP TO 1499 |
100,000 |
80,000 |
50 |
16 |
501 |
3 |
| B6 |
UP TO 842 |
110,000 |
85,000 |
50 |
16 |
410 |
6 |
| BB Class 1 |
32 TO 1202 |
75,000 |
30,000 |
50 |
30 |
304 |
8 |
| BB Class 2 |
32 TO 1202 |
125,000 |
100,000 |
35 |
12 |
304 |
8 |
| BBM |
32 TO 1382 |
75,000 |
30,000 |
30 |
30 |
316 |
8M |
| Standard |
Grade |
Service Temp F |
Tensile (PSI) Min. |
Yield (PSI) Min. |
Area Reduc (1%) |
Elomgation (%) |
AISI |
ASTMA 194 Hex Nut |
| ASTM A320 |
L7 |
148 to 896 |
125,000 |
105,000 |
50 |
16 |
4140 |
4 o 7 |
| L7M |
94 to 842 |
100,000 |
80,000 |
50 |
18 |
4140 |
7M |
| B8 |
328 to 1202 |
75,000 |
30,000 |
50 |
30 |
304 |
8 |
| B8M |
328 to 1382 |
75,000 |
30,000 |
50 |
30 |
316 |
8M |
| B8C |
328 to 1202 |
75,000 |
30,000 |
50 |
30 |
347 |
8C |
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