E-Z LOK Self Locking Thread Insert: Heavy Wall, 5/16"-18 Int Thrd Sz, 1/2"-13 Ext Thrd Sz
The E-Z LOK Self Locking Thread Insert: Heavy Wall (SKU 4ZE18, MPN 329-5-PK10) is a 10-pack of inch-system, coarse-thread inserts with a 5/16"-18 internal thread size and a 1/2"-13 external thread size. Designed for…
SKU 3G-OTH-534175
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Product Description
The E-Z LOK Self Locking Thread Insert: Heavy Wall (SKU 4ZE18, MPN 329-5-PK10) is a 10-pack of inch-system, coarse-thread inserts with a 5/16"-18 internal thread size and a 1/2"-13 external thread size. Designed for a 1/2"-13 compatible tap, it features a 2A external thread fit and a 2B internal thread fit. 3G Electric interprets customer demand and delivers genuine industrial equipment across 14 departments — and far more — with specialist depth in combustion, pumps and controls as an authorised distributor for brands like FBR, Interpump, Riello, Beckett, Schneider, ABB, Siemens, SKF, Festo, and Fluke.
Frequently Asked Questions
What is the E-Z LOK Self Locking Thread Insert: Heavy Wall used for?
The E-Z LOK Heavy Wall Self Locking Thread Insert repairs or reinforces stripped or damaged threads in metal assemblies. It is used across industrial maintenance, automotive, and machinery applications where a strong, vibration-resistant internal thread is required. 3G Electric supplies this genuine E-Z LOK insert worldwide.
What are the specifications of the E-Z LOK 329-5-PK10 thread insert?
The E-Z LOK 329-5-PK10 is a 10-pack of inch-system heavy wall inserts with a 5/16"-18 internal thread size and a 1/2"-13 external thread size. It requires a 1/2"-13 compatible tap, has a 2A external thread fit and a 2B internal thread fit, and uses coarse thread type.
Where to buy E-Z LOK thread inserts in worldwide?
3G Electric supplies genuine E-Z LOK Self Locking Thread Inserts to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery for international orders. Contact 3G Electric to source the 329-5-PK10 heavy wall insert for your application.
How to install an E-Z LOK heavy wall thread insert?
To install an E-Z LOK heavy wall insert, drill out the damaged thread to the recommended tap drill size, then tap the hole using a 1/2"-13 tap. Screw the insert into the tapped hole until it is slightly below the surface. The insert self-locks without adhesives. Always follow the manufacturer's instructions for best results.
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.









