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 303-5-PK5, MPN 303-5-PK5) is a 5-pack of inch-system, coarse-thread inserts with a 5/16"-18 internal thread size and a 1/2"-13 external thread size. It features…
SKU 3G-OTH-534112
Also listed as: 3035PK5 · 303 5 PK5
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
Need installation or engineering help?
Ask a question
Product Description
The E-Z LOK Self Locking Thread Insert: Heavy Wall (SKU 303-5-PK5, MPN 303-5-PK5) is a 5-pack of inch-system, coarse-thread inserts with a 5/16"-18 internal thread size and a 1/2"-13 external thread size. It features a heavy wall design, compatible tap size of 1/2"-13, and external/internal thread fits of 2A and 2B respectively.
Frequently Asked Questions
What is E-Z LOK Self Locking Thread Insert: Heavy Wall used for?
E-Z LOK Self Locking Thread Inserts repair or reinforce stripped or worn threads in metal, plastic, or wood. The heavy wall design provides extra strength for demanding industrial applications across machining, power transmission, and material handling. 3G Electric supplies these inserts globally.
What are the specifications of E-Z LOK 303-5-PK5?
The E-Z LOK 303-5-PK5 is a 5-pack of heavy wall thread inserts with 5/16"-18 internal thread size and 1/2"-13 external thread size. It uses coarse threads, fits a 1/2"-13 tap, and meets 2A external and 2B internal thread fits. System of measurement is inch.
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 to order the 303-5-PK5 heavy wall insert pack or other E-Z LOK thread repair products.
How to install E-Z LOK heavy wall thread inserts?
To install E-Z LOK heavy wall inserts, drill out the damaged thread to the recommended tap size (1/2"-13 for this insert), tap the hole, then thread the insert in using a standard installation tool. Apply threadlocker for permanent retention. 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.
