William Hackett Masterlink Sub Assembly (Grade 100)

William Hackett Masterlink Sub Assembly (Grade 100)


These Yoke Masterlink Sub Assemblies have been designed specifically for use with our wide range of Three and Four Leg Grade 100 Chain Slings from William Hackett.

Forged from high-grade alloy steel, each unit has been individually Magnaflux crack detected, following heat treatment, before undergoing stringent proof testing procedures to 2.5 times the stated working load limit.

Fully certified and compliant, they are capable of operating between temperatures of -40°C up to 200°C without any reduction in working load limit.

A competent person can repair and replace components on chain slings, we always recommend a proof test prior to use. (all of our sling assemblies are proof load tested prior to shipping). 

 Size Working Load Limit (tonnes)
1/4" 2.9
5/16" 5.3
3/8" 8.4
1/2" 14.0
5/8" 21.0

Ships Today

You can be sure that if you purchase your slings before 10:30AM CST they will ship out today

Price Promise

We promise you won't find this item anywhere cheaper, we'll give you a $50 coupon if you do!

Quality Guarantee

William Hackett are a global force to be reckoned with when it comes to rigging chains & components, our Grade 100 chains are second-to-none when it comes to quality


How fast can you ship?

Fast. If you order before 10:30AM CST we promise to ship out the same day on your chosen service. Orders under 100lbs are shipped by UPS, whilst larger orders are shipped by truck

Outside of the US? We ship worldwide too

Where are your slings made?

Our slings are proudly built and tested right here in Houston, TX

Are your slings fully tested and certified?

Yes, following completion of assembly, each sling is fully load tested to 2X the Working Load Limit (WLL) of each leg and certified prior to shipping