Chain Style Chain Style |
---|
![]() |
Straight Link |
System of Measurement System of Measurement |
---|
|
Chain Grade Chain Grade |
---|
|
Material Material |
---|
|
Finish Finish |
---|
|
Capacity Capacity |
---|
|
Specifications Met Specifications Met |
---|
|
Application Application |
---|
|
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
---|
For Use Outdoors For Use Outdoors |
---|
|
Maximum Temperature Maximum Temperature |
---|
|
Extra-High-Strength Grade 70 Chain—Not for Lifting

This chain is approximately 20% stronger than Grade 40/43 chain and 60% stronger than Grade 30 chain. Use it for binding loads, tie downs, and towing applications. It is stamped with the grade and manufacturer. When using fittings with chain, you must match the trade size and meet or exceed the chain’s grade.
For technical drawings and 3-D models, click on a part number.
Inside | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Straight-Link Chain Trade Size | Metric Trade Size | Thick. | Wd. | Lg. | Cap., lbs. | Wt. per ft., lbs. | Approximate No. of Links per ft. | For Fitting Thick. | Max. Temp., ° F | For Use Outdoors | Lengths, ft. | Per Ft. | |
Zinc Yellow-Chromate-Plated Steel | |||||||||||||
1/4 | 7 | 0.27" | 0.46" | 1.24" | 3,100 | 0.6 | 9 | 7/16" | 400° | No | 0000000 | 00000 | |
5/16 | 8 | 0.32" | 0.49" | 1.15" | 4,700 | 1 | 10 | 7/16" | 400° | No | 0000000 | 0000 | |
3/8 | 10 | 0.38" | 0.60" | 1.30" | 6,600 | 1.4 | 9 | 9/16" | 400° | No | 0000000 | 0000 | |
1/2 | 13 | 0.50" | 0.81" | 1.56" | 11,300 | 2.4 | 7 | 3/4" | 400° | No | 0000000 | 00000 |