E-Z LOK Self Locking Thread Insert: Heavy Wall, 3/4"-10 Int Thrd Sz, 1"-8 Ext Thrd Sz
The E-Z LOK Self Locking Thread Insert is a heavy-wall, inch-system steel insert (5-pack) with a 1"-8 external thread size and a 3/4"-10 internal thread size, both coarse thread type. It is compatible with a #1-8 tap…
SKU 3G-OTH-534173
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Product Description
The E-Z LOK Self Locking Thread Insert is a heavy-wall, inch-system steel insert (5-pack) with a 1"-8 external thread size and a 3/4"-10 internal thread size, both coarse thread type. It is compatible with a #1-8 tap and features external thread fit 2A and internal thread fit 2B. 3G Electric interprets this demand and sources the genuine OEM part (MPN 329-12-PK5) across 14 industrial departments, with specialist depth in combustion, pumps and controls as an authorised distributor.
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 threads in metal assemblies. The heavy-wall steel insert (3/4"-10 internal, 1"-8 external) provides a permanent, vibration-resistant thread in industrial equipment across machining, hydraulics, and power transmission applications.
What are the specifications of E-Z LOK 329-12-PK5?
The E-Z LOK 329-12-PK5 is a 5-pack of heavy-wall steel thread inserts. External thread size is 1"-8 (2A fit), internal thread size is 3/4"-10 (2B fit), both coarse inch threads. Compatible tap size is #1-8. System of measurement is inch.
Where to buy E-Z LOK thread inserts worldwide?
3G Electric supplies genuine E-Z LOK thread inserts (MPN 329-12-PK5) to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we source across 14 departments including machining and power transmission.
How to install E-Z LOK heavy wall thread inserts?
Install E-Z LOK heavy wall inserts by drilling to the specified tap size (#1-8), tapping the hole with the compatible tap, then driving the insert flush using the installation tool. The self-locking feature engages upon insertion. Follow standard thread insert best practices for torque and depth.
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.









