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Nantong Sail Machinery Co., Ltd
Meet the latest guidelines of NACM
Embossed with “G80” and traceability code
Quenched and tempered, proof tested
In accordance with 4-to-1 design factor required by NACM specifications
Black electrophoresis finish
WARNING: DO NOT EXCEED THE WORKING LOAD LIMITS !
Nominal Chain Size
Material Diameter
Working Load Limit(Max.)
Proof test(Min.)
Minimum Breaking Force
Inside Length(Max.)
Inside Width Range
in
mm
in
mm
lbs
kg
lbs
kn
lbs
kn
in
mm
in
mm
9/32
7.0
0.276
7.0
3500
1570
7000
30.8
14000
61.6
0.90
22.9
0.375-0.430
9.53-10.92
5/16
8.0
0.315
8.0
4500
2000
9000
40.3
18000
80.6
1.04
26.4
0.430-0.500
10.92-12.70
3/8
10.0
0.394
10.0
7100
3200
14200
63.0
28400
126.0
1.26
32.0
0.512-0.600
13.00-15.20
1/2
13.0
0.512
13.0
12000
5400
24000
107.0
48000
214.0
1.64
41.6
0.688-0.768
17.48-19.50
5/8
16.0
0.630
16.0
18100
8200
36200
161.0
72400
322.0
2.02
51.2
0.812-0.945
20.63-24.00
3/4
20.0
0.787
20.0
28300
12800
56600
252.0
113200
504.0
2.52
64.0
0.984-1.180
25.00-30.00
7/8
22.0
0.866
22.0
34200
15500
68400
305.0
136800
610.0
2.77
70.4
1.080-1.300
27.50-33.00
1
26.0
1.020
26.0
47700
21600
95400
425.0
190800
850.0
3.28
83.2
1.280-1.540
32.50-39.00
1-1/4
32.0
1.260
32.0
72300
32800
144600
644.0
289200
1288.0
4.03
102.4
1.580-1.890
40.00-48.00
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