APPROVED VENDOR Self Locking Thread Insert: Thin Wall, 1/4"-28 Int Thrd Sz
The APPROVED VENDOR Self Locking Thread Insert is a thin-wall, inch-system insert with a 1/4"-28 internal thread size and 3/8"-24 external thread size, fine thread type, and 2A/2B thread fits. It is compatible with a…
SKU 3G-OTH-534073
Need installation or engineering help?
Ask a question
Product Description
The APPROVED VENDOR Self Locking Thread Insert is a thin-wall, inch-system insert with a 1/4"-28 internal thread size and 3/8"-24 external thread size, fine thread type, and 2A/2B thread fits. It is compatible with a 3/8"-24 tap and is part of a self-locking insert and installation tool kit (MPN EZ-313-428).
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 an APPROVED VENDOR Self Locking Thread Insert used for?
This thin-wall thread insert repairs or reinforces tapped holes in metal assemblies, providing a durable 1/4"-28 internal thread with a 3/8"-24 external thread. It is commonly used in automotive, aerospace, and industrial maintenance applications where stripped threads need restoration without replacing the parent component.
What are the specifications of the APPROVED VENDOR Self Locking Thread Insert EZ-313-428?
The insert has a 1/4"-28 internal thread size (2B fit) and a 3/8"-24 external thread size (2A fit), fine thread type, thin wall design, and inch system. It is compatible with a 3/8"-24 tap and is part of the EZ-313-428 installation kit. The self-locking feature prevents loosening under vibration.
Where to buy APPROVED VENDOR Self Locking Thread Insert in worldwide?
3G Electric supplies the APPROVED VENDOR Self Locking Thread Insert EZ-313-428 to customers 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 this thin-wall, inch-system thread repair insert.
How to install an APPROVED VENDOR Self Locking Thread Insert?
Installation requires tapping the hole to 3/8"-24, then using the EZ-313-428 kit's driver to insert the thin-wall insert until it is flush or slightly below the surface. The self-locking element engages after installation. Follow standard thread insert practices: clean threads, use appropriate lubricant, and verify depth with a gauge.
Used in
Common applications for APPROVED VENDORAPPROVED VENDOR Products
3G Electric supplies APPROVED VENDOR self-locking insert & installation tool kits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









