Barnes 4wd square tube inserts will help you keep the overall cost down on your link project. Available in left and right hand threadings, these 1 1/4 -12 square bungs will fit into a square material that has a 1 1/2 ID tube. Tube adapters are a basic necessity for every DIY fabricator and an absolute must for link system upgrades.

Affordable, High Quality 1 1/4-12 Square Threaded Tube Inserts

Whether you re building a four link set-up for you new rock crawler or a heavy duty steering linkage for your trail rig, you ll need to have Barnes tube inserts on hand. Square tube inserts are a great way to keep your total project costs down, saving you as much as half on the cost of materials. And Barnes offers the most affordable prices on the market. These weld in inserts make it easy to fabricate adjustable linkages.

Heavy Duty Square Tube Inserts for Any Job

No matter the job, you ll find what you need from Barnes line of affordable, high quality tube inserts. Need a smaller size? Try our 7/8 -14 square tube inserts for 1 1/2 ID tube. We offer multiple sizing options for round tube inserts as well. All of our tube inserts are CNC machined and are built race-style, to allow for the maximum amount of threaded shank of the Heim inside the tubing.

Tube Insert Related Parts

If you re upgrading your rig, make Barnes your one stop shop for quality 4WD fabrication parts. Search our line of 3 link suspension kits and 4 link suspension kits, and Heim joint kits, jam nuts, and high misalignment spacers.