Get The Tough Job Done:System 7 Chains and Chain Binders

Grade 70 chains and load binder is strong tie down equipment ,both chains and binders are made from carbon steel, the WLL of the chains and binders are higher than most comparable tie down straps ,let’s look at 5/16”transport chain(WLL 4700lbs) vs. 2” tie downs(typical WLL 3333lbs) ,  3/8” chain(WLL around 6600lbs) to 4” tie downs(5400lbs max.) ,you can see  that the chains are much stronger,and the load binders are even stronger than same size chains,5/16”-3/8” load binder(lever or ratchet type) has WLL of 5,400 LBS and 3/8”X1/2”chain binder has working load limit 9200lbs . If we examine the design factor of chains and tie down straps,we will see that chains and binders have four to one design factor while tie down straps have design factor 3 to 1 ,that’s the exact reason we believe chains and binders are tough tie downs .

These chains and binders are mostly used to haul big,heavy equipment,such as backhoe,bulldozer,these things are hard on straps,only carbon steel chains can sustain that kind of abuse ,when we talk about backhoe,forklift,we need at least 3/8”system 7 chains and binders to secure them,for something which has less weight we consider 5/16”chains are good fit,of course we still have 1/2”and up chains and binders,these chains will most likely be used to tie down something out of ordinary,such as battle tanks,or some other applications require super heavy duty chains.

As we stated above,grade 70 chains ,or say binder chains,transport chains,are used on a lot things except for overhead lifting. There are people who use these chains to tear trees,to tow mobile loading docks,a lot of forestry services use large quantity of these system 7 steel chains and binders.

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