E-Z LOK Self Locking Thread Insert: Heavy Wall, 7/16"-20 Int Thrd Sz, 5/8"-11 Ext Thrd Sz
The E-Z LOK Self Locking Thread Insert is a heavy-wall, inch-system insert with a 7/16"-20 UNF internal thread and a 5/8"-11 UNC external thread, supplied in a 5-pack (MPN 303-720-PK5). It features a 2A external…
SKU 3G-OTH-534199
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Product Description
The E-Z LOK Self Locking Thread Insert is a heavy-wall, inch-system insert with a 7/16"-20 UNF internal thread and a 5/8"-11 UNC external thread, supplied in a 5-pack (MPN 303-720-PK5). It features a 2A external thread fit and a 2B internal thread fit, and is compatible with a 5/8"-11 tap. 3G Electric interprets customer demand and delivers this genuine industrial insert across 14 departments — with specialist depth in combustion, pumps and controls as an authorised distributor.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is E-Z LOK Self Locking Thread Insert used for?
E-Z LOK Self Locking Thread Inserts repair or reinforce stripped threads in metal or plastic. The heavy-wall design provides extra strength for demanding applications. 3G Electric supplies this genuine insert across 14 industrial departments, with specialist depth in combustion, pumps and controls.
What are the specifications of E-Z LOK 303-720-PK5?
The E-Z LOK 303-720-PK5 is a 5-pack of heavy-wall thread inserts with a 7/16"-20 UNF internal thread and a 5/8"-11 UNC external thread. It requires a 5/8"-11 tap, has a 2A external fit and 2B internal fit, and is inch-system. 3G Electric sources this genuine insert worldwide.
Where to buy E-Z LOK thread inserts worldwide?
3G Electric supplies E-Z LOK thread inserts worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we interpret your demand and deliver genuine parts across 14 departments. Contact us for availability and lead time on this 303-720-PK5 5-pack.
How to install E-Z LOK heavy wall thread inserts?
Install E-Z LOK heavy wall inserts by tapping a hole to 5/8"-11 UNC, then driving the insert into the tapped hole using the appropriate installation tool. The self-locking feature secures the insert without adhesives. 3G Electric can advise on tooling and best practices for your application.
E-Z LOK Products
3G Electric supplies E-Z LOK heavy wall self-locking inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









