TM 55-607/NAVSEA OP 3221 Rev 2
Table C-3. Allowable Withdrawal Loads for Nails and Spikes-Normal Duration
Allowable load in withdrawal in pounds per inch of penetra-
d=pennyweight of nail or spike, G=specifiction
into side grain of member holding point.
gravity of the wood based on weight and volume
when oven-dry.
Specific
gravity
Size of common nail (d)
Size of threaded nail (d)
G
6
8
10
12
16
20
30
40
50
60
30
40
50
60
70
80
90
.75
76
87
127
138
150
162
174
127
127
127
127
150
150
.68
60
69
78
78
85
101
109
119
128
138
101
101
101
101
119
119
.67
57
66
75
75
82
97
105
114
124
133
97
97
97
97
114
114
.66
55
64
72
72
79
94
101
110
119
128
94
94
94
94
110
110
110
.62
47
55
62
62
68
80
86
94
102
110
80
80
80
80
94
94
94
.55
34
39
44
44
49
57
61
67
73
79
57
57
57
57
67
67
67
67
.54
32
38
42
42
46
54
58
64
70
75
54
54
54
54
64
64
64
.51
29
34
38
38
42
49
53
58
63
68
49
49
49
49
58
58
58
.48
25
29
33
33
36
42
46
50
54
58
42
42
42
42
50
50
50
.47
24
27
31
31
34
40
43
47
51
55
40
40
40
40
47
47
47
.46
22
26
29
29
32
38
41
45
48
52
38
38
38
38
45
45
45
.45
21
25
28
28
30
36
39
42
46
49
36
36
36
36
42
42
42
.44
20
23
26
26
29
34
37
40
43
46
34
34
34
34
40
40
40
.43
19
22
25
25
27
32
35
38
41
44
32
32
32
32
38
38
38
.42
18
21
23
23
25
30
33
35
38
41
30
30
30
30
35
35
35
.41
17
20
22
22
24
29
31
33
36
39
29
29
29
29
33
33
33
.40
16
18
20
20
22
27
28
31
33
35
27
27
27
27
31
31
31
.39
15
17
19
19
21
25
26
30
32
34
25
25
25
25
30
30
30
.38
14
16
18
18
20
24
25
28
30
32
24
24
24
24
28
28
28
.37
13
15
17
17
19
22
24
26
28
30
22
22
22
22
26
26
26
.36
12
14
16
16
17
21
22
24
26
28
21
21
21
21
24
24
24
.34
10
12
14
14
15
18
19
21
23
24
18
18
18
18
21
21
21
.31
9
10
12
12
13
15
16
18
20
21
15
15
15
15
18
18
18
Loads for threaded, hardened steel nails, in 6d to 20d sizes, are the same as for common nails.
SIZE OF COMMON SPIKE
10
12
16
20
30
40
50
60
5/16 in.
1/8in.
.75
127
127
138
150
162
174
188
188
205
250
.68
101
101
109
119
128
138
149
149
164
198
.67
97
97
105
114
124
133
143
143
158
190
.66
94
94
101
110
119
128
138
138
152
183
.62
80
80
86
94
102
110
118
118
130
156
.55
57
57
61
67
73
79
84
84
93
111
.54
54
54
59
64
70
75
81
81
88
106
.51
49
49
53
58
63
68
73
73
80
96
.48
42
42
46
50
54
58
62
62
69
83
.47
40
40
43
47
51
55
59
59
65
78
.46
38
38
41
45
48
52
56
56
62
74
.45
36
36
39
42
46
49
53
53
59
70
.44
34
34
37
40
43
47
50
50
55
66
.43
32
32
35
38
41
44
48
48
52
63
.42
30
30
33
35
38
41
45
45
49
59
.41
29
29
31
33
36
39
42
42
46
56
.40
27
27
28
31
33
36
39
39
42
51
C-2
