Here is a chart showing you the tension and shear minimum capabilities of different grade fasteners relative to their size.

   
SAE Grade 5
SAE Grade 8
ARP Fastener
SPS Fastener
MS14181
SPS Fastener
Ultimate Tensile Capability of Fastener (ksi)  
120
150
160
180
220
260
Ultimate Shear Capability of Fastener (ksi)  
75
91
95
108
132
156
Fastener Diameter 
Typical Material 
Med Carbon
Steel
Med Carbon
Alloy Steel
A286
CRES
 
A286
CRES
Inconel 718 
MP35N
Super Alloy
in.
thrds/in
0.1640
32
Tension Capability (lb)
1468
1835
1957
2202
2691
3181
  
Shear Capability (lb)
1584
1922
2007
2281
2788
3295
0.1900
32
Tension Capability (lb)
2169
2711
2892
3253
3976
4699
  
Shear Capability (lb)
2126
2580
2694
3062
3743
4420
0.2500
28
Tension Capability (lb)
4007
5009
5340
6010
7347
8682
  
Shear Capability (lb)
3682
4470
4660
5300
6480
7660
0.3125
24
Tension Capability (lb)
6440
8050
8590
9660
11807
13953
  
Shear Capability (lb)
5750
6980
7290
8280
10120
11970
0.3750
24
Tension Capability (lb)
9888
12360
13180
14830
18127
21423
  
Shear Capability (lb)
8280
10050
10490
11930
14580
17230
0.4375
20
Tension Capability (lb)
13338
16673
17780
20010
24453
28899
  
Shear Capability (lb)
11270
13680
14280
16240
19840
23450
0.5000
20
Tension Capability (lb)
18139
22674
24190
27210
33255
39302
  
Shear Capability (lb)
14730
17870
18650
21210
25920
30770
0.5625
18
Tension Capability (lb)
23028
28785
30700
34540
42218
49894
  
Shear Capability (lb)
18640
22610
23610
26840
32800
38770
0.6250
18
Tension Capability (lb)
29218
36524
38960
43800
53568
63307
  
Shear Capability (lb)
23010
27920
29150
33130
40500
47900
0.7500
16
Tension Capability (lb)
42726
53408
57000
64100
78331
92573
  
Shear Capability (lb)
33130
40200
42000
47700
58300
68900
0.8750
14
Tension Capability (lb)
58434
73043
77900
87700
107129
126607
  
Shear Capability (lb)
45100
54700
57100
64900
79400
93800
1.0000
12
Tension Capability (lb)
75968
94961
101300
114000
139275
164598
  
Shear Capability (lb)
58900
71500
74600
84800
103700
122500

 

This table was transcribed from here http://www.rockcrawler.com/techreports/fasteners/index.asp