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BOLT TYPE SAFETY CHAIN SHACKLE U.S. TYPE, drop forged
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- Hot dip galvanized forged steel
- Quenched and tempered, with alloy pin
- Proof load is 2.2 times working load limit
- Ultimate load is 6 times working load limit
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Size |
WLL |
d1 |
d2 |
d3 |
b1 |
h1 |
inch |
kg |
mm |
mm/inch |
mm |
mm |
mm |
1/4" |
500 |
6.5 |
8mm- 5/16" |
17 |
12 |
- |
5/16" |
750 |
8 |
10mm- 3/8" |
21 |
13 |
26 |
3/8" |
1000 |
10 |
11mm- 7/16" |
25 |
16 |
31 |
7/16" |
1500 |
11 |
13mm- 1/2" |
27 |
18 |
36 |
1/2" |
2000 |
13 |
16mm- 5/8" |
30 |
21 |
41 |
5/8" |
3250 |
16 |
19mm- 3/4" |
40 |
27 |
51 |
3/4" |
4750 |
19 |
22mm- 7/8" |
48 |
32 |
60 |
7/8" |
6500 |
22 |
25mm- 1" |
54 |
36 |
71 |
1" |
8500 |
25 |
29mm- 1 1/8" |
60 |
43 |
81 |
1 1/8" |
9500 |
28 |
32mm- 1 1/4" |
67 |
46 |
90 |
1 1/4" |
12000 |
32 |
35mm- 1 3/8" |
76 |
52 |
100 |
1 3/8" |
13500 |
35 |
38mm- 1 1/2" |
84 |
57 |
113 |
1 1/2" |
17000 |
38 |
41mm- 1 5/8" |
92 |
60 |
124 |
1 3/4" |
25000 |
44 |
51mm- 2" |
110 |
73 |
146 |
2" |
35000 |
51 |
57mm- 2 1/4" |
127 |
83 |
171 |
2 1/2" |
55000 |
63 |
70mm- 2 3/4" |
152 |
105 |
203 |
3" |
85000 |
76 |
82mm- 3 1/4" |
165 |
127 |
216 |
Conforms To Federal Specification RR-C-271D, Type IVA or Type B, Grade A, Class 3 |
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