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Page Title:
Table D-3-1. Lag Bolts Required to Assemble Sides to Base of Bolted Crates Using Lag Bolt Reinforcing Strap (Skids to be Grou... |
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 TM 43-0156
Table D-3-1. Lag Bolts Required to Assemble Sides to Base of Bolted Crates Using Lag Bolt Reinforcing Strap (Skids to
be Group II, III, or IV Woods)1/
Size of lag bolt
Weight of
3/8 x 3
crate and
(3 x 3 or
1/2 x 4
5/8 x 4
contents
3x4
(4 x 4
(4 x 6
(lb)
skids)
skids)
skids)
(inch)
(inch)
(inch)
2,000
6
6
6
3,000
10
6
6
4,000
14
8
6
6,000
20
12
8
8,000
...
16
10
10,000
...
18
12
12,000
...
22
14
14,000
...
26
16
16,000
...
30
18
18,000
...
32
22
20,000
...
36
24
24,000
...
...
28
28,000
...
...
32
32,000
...
...
36
36,000
...
...
42
40,000
...
...
46
1/ Use one-half the number on each side:
Maximum spacing-
3/8 x 3-16 inches on center
1/2 x 4-20 inches on center
5/8 x 4-20 inches on center
Minimum number
3 per side, 2 per end
Table D-3-2. Lag Bolt Lead Hole Sizes
Diameter of
Diameter of lead hole
threaded portion
of lag bolt
Groups I, II,
Group IV
and III woods
woods
(inch)
(inch)
(inch)
1/4
3/16
3/16
5/16
1/4
1/4
3/8
1/4
5/16
1/2
3/8
7/16
5/8
3/8
1/2
3/4
1/2
5/8
D-3-12
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