E-Z LOK Self Locking Thread Insert: Heavy Wall, M4-0.70 Int Thrd Sz, M8-1.25 Ext Thrd Sz
The E-Z LOK Self Locking Thread Insert is a heavy-wall metric insert with M4-0.70 internal thread size and M8-1.25 external thread size, supplied in a 5-pack (MPN 453-4-PK5). It features a compatible tap size of…
SKU 3G-OTH-534126
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Product Description
The E-Z LOK Self Locking Thread Insert is a heavy-wall metric insert with M4-0.70 internal thread size and M8-1.25 external thread size, supplied in a 5-pack (MPN 453-4-PK5). It features a compatible tap size of M8-1.25, internal thread fit of 6H, and external thread fit of 6G.
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 or worn internal threads in metal assemblies. The heavy-wall M4-0.70 internal thread insert provides a permanent, vibration-resistant thread for demanding industrial applications across machining, power transmission, and material handling equipment.
What are the specifications of E-Z LOK 453-4-PK5 thread insert?
The E-Z LOK 453-4-PK5 is a heavy-wall metric thread insert with M4-0.70 internal thread size and M8-1.25 external thread size. It has a compatible tap size of M8-1.25, internal thread fit of 6H, and external thread fit of 6G. Supplied in a 5-pack.
Where to buy E-Z LOK thread inserts in 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 453-4-PK5 heavy-wall insert pack.
How to install E-Z LOK heavy wall thread inserts?
Install E-Z LOK heavy wall inserts by drilling to the recommended tap size (M8-1.25 for this insert), tapping the hole, then driving the insert using a standard installation tool. Ensure the insert is flush or slightly below the surface. Use thread locker for added security in high-vibration environments.
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.









