MIL-DTL-85667/3B
TABLE III. Bolt grips and lengths (continued).
Bolt
-9 Diameter
-10 Diameter
-12 Diameter
Grip
Design
Unthreaded
Unthreaded
Unthreaded
Number Grip
Pin Length
Bolt
Pin Length
Bolt
Pin Length
Bolt
(See Figure 1) Length
(See Figure 1) Length
(See Figure 1) Length
4.185
3.180
3.966
3.185
3.185
3.125
4.023
50
4.248
3.243
4.029
3.248
3.248
4.068
3.188
51
4.310
3.305
4.091
3.310
3.310
3.250
4.148
52
3.373
4.373
4.154
3.373
3.373
3.312
4.216
53
3.435
4.435
4.216
3.435
3.435
3.375
4.278
54
4.498
3.498
4.279
3.498
3.498
3.438
4.341
55
3.560
4.560
4.341
3.560
3.560
3.500
4.403
56
3.623
4.623
4.404
3.623
3.623
3.562
4.466
57
3.685
4.685
4.466
3.685
3.685
3.625
4.528
58
3.748
4.748
4.529
3.748
3.748
3.688
4.591
59
3.810
4.810
4.591
3.810
3.810
3.750
4.653
60
4.878
4.654
3.873
3.878
3.812
4.716
3.873
61
4.940
4.716
3.940
3.935
3.875
4.778
3.935
62
5.003
4.779
4.003
3.998
3.938
4.841
3.998
63
5.065
4.841
4.065
4.060
4.000
4.903
4.060
64
5.128
4.904
4.128
4.123
4.062
4.966
4.123
65
5.190
4.966
4.190
4.185
4.125
5.028
4.185
66
5.253
5.029
4.253
4.248
4.188
5.091
4.248
67
5.315
5.091
4.315
4.310
4.250
5.153
4.310
68
5.375
5.154
4.378
4.373
4.312
5.216
4.373
69
5.440
5.216
4.440
4.435
4.375
5.278
4.435
70
5.503
5.279
4.503
4.498
4.438
5.341
4.498
71
5.565
5.341
4.565
4.560
4.500
5.403
4.560
72
5.628
4.628
5.466
4.562
4.623
73
5.690
4.690
5.528
4.625
4.685
74
5.753
4.753
5.591
4.688
4.748
75
5.815
4.815
5.653
4.750
4.810
76
5.878
4.878
5.716
4.812
4.873
77
5.940
4.940
5.778
4.875
4.935
78
6.003
5.003
4.938
79
6.065
5.065
5.000
80
6.128
5.128
5.062
81
6.190
5.190
5.125
82
6.253
5.253
5.188
83
6.315
5.315
5.250
84
6.378
5.378
5.312
85
6.440
5.440
5.375
86
6.503
5.503
5.438
87
6.565
5.565
5.500
88
6.628
5.628
5.562
89
6.690
5.690
5.625
90
6