E-Z LOK Self Locking Thread Insert: Thin Wall, 1/2"-20 Int Thrd Sz, 5/8"-11 Ext Thrd Sz
The E-Z LOK Self Locking Thread Insert is a thin-wall, steel insert (5-pack) with a 1/2"-20 internal thread (UNF, 2B fit) and a 5/8"-11 external thread (UNC, 2A fit), requiring a 5/8"-11 tap. This inch-system insert…
SKU 3G-OTH-528407
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Product Description
The E-Z LOK Self Locking Thread Insert is a thin-wall, steel insert (5-pack) with a 1/2"-20 internal thread (UNF, 2B fit) and a 5/8"-11 external thread (UNC, 2A fit), requiring a 5/8"-11 tap. This inch-system insert provides a self-locking repair or reinforcement solution for threaded holes.
Frequently Asked Questions
What is an E-Z LOK self-locking thread insert used for?
An E-Z LOK self-locking thread insert repairs or reinforces damaged internal threads in metal or plastic. This thin-wall steel insert (1/2"-20 internal, 5/8"-11 external) provides a permanent, vibration-resistant thread for industrial equipment, machinery, and automotive applications.
What are the specifications of the E-Z LOK 319-820-PK5 thread insert?
The E-Z LOK 319-820-PK5 is a 5-pack of thin-wall steel inserts with a 1/2"-20 UNF internal thread (2B fit) and a 5/8"-11 UNC external thread (2A fit). It requires a 5/8"-11 tap and is designed for inch-system threaded holes.
Where to buy E-Z LOK thread inserts worldwide?
3G Electric supplies E-Z LOK thread inserts worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the 319-820-PK5 5-pack.
How to install an E-Z LOK thin-wall thread insert?
To install, tap the hole to the specified external thread size (5/8"-11 for this insert), then drive the insert into the tapped hole using the appropriate installation tool. The self-locking feature secures the insert without adhesives. Follow standard thread-insert installation practices.
E-Z LOK Products
3G Electric supplies E-Z LOK thin wall self-locking inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









