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Nantong Sail Machinery Co., Ltd
Meet the latest guidelines of NACM
A general utility chain for farm, industrial and home applications.
Material: low carbon steel embossed with “NS30”
Proof tested Design factor 4 : 1
Self-color finish, zinc plated finish, hot dip galvanized finish
WARNING: DO NOT EXCEED THE WORKING LOAD LIMITS ! NOT FOR OVERHEAD LIFTING
Nominal Chain Size
Material Diameter
Working Load Limit(Max.)
Proof test (Min.)
Minimum Breaking Force
Inside Length (Max.)
Inside Width (Min.)
in
mm
in
mm
lbs
kg
lbs
kn
lbs
kn
in
mm
in
mm
1/8
4.0
0.156
4.0
400
180
800
3.6
1600
7.2
0.94
23.9
0.25
6.4
3/16
5.5
0.217
5.5
800
365
1600
7.2
3200
14.4
0.98
24.8
0.30
7.7
1/4
7.0
0.276
7.0
1300
580
2600
11.6
5200
23.2
1.24
31.5
0.38
9.8
5/16
8.0
0.331
8.4
1900
860
3800
16.9
7600
33.8
1.29
32.8
0.44
11.2
3/8
10.0
0.394
10.0
2650
1200
5300
23.6
10600
47.2
1.38
35.0
0.55
14.0
1/2
13.0
0.512
13.0
4500
2030
9000
40.0
18000
80.0
1.79
45.5
0.72
18.2
5/8
16.0
0.630
16.0
6900
3130
13800
61.3
27600
122.6
2.20
56.0
0.79
20.0
3/4
20.0
0.787
20.0
10600
4800
21200
94.3
42400
188.6
2.76
70.0
0.98
25.0
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