APPROVED VENDOR Helical Insert: Tanged Tang Style, Free-Running, M4-0.70 Thread Size, Plain
The APPROVED VENDOR Helical Insert is a free-running, tanged tang style insert with an M4-0.70 thread size, right-hand, coarse thread, and plain finish. Made from 18-8 metal, it offers a tensile strength of 200,000…
SKU 3G-OTH-599005
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Product Description
The APPROVED VENDOR Helical Insert is a free-running, tanged tang style insert with an M4-0.70 thread size, right-hand, coarse thread, and plain finish. Made from 18-8 metal, it offers a tensile strength of 200,000 psi and comes in a 10-pack (MPN 3520-4.00X1.5D).
Frequently Asked Questions
What is an APPROVED VENDOR helical insert used for?
An APPROVED VENDOR helical insert repairs or reinforces tapped holes in metal. This free-running, tanged tang style insert with M4-0.70 thread size provides a strong, wear-resistant thread in softer materials like aluminum or cast iron. It is commonly used in automotive, aerospace, and industrial maintenance applications.
What are the specifications of the APPROVED VENDOR helical insert 3520-4.00X1.5D?
This helical insert is free-running, tanged tang style, with M4-0.70 thread size, right-hand, coarse thread, and plain finish. It is made from 18-8 metal with a tensile strength of 200,000 psi. The pack contains 10 pieces. The manufacturer part number is 3520-4.00X1.5D.
Where to buy APPROVED VENDOR helical inserts worldwide?
3G Electric supplies APPROVED VENDOR helical 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 this M4-0.70 free-running insert (MPN 3520-4.00X1.5D) and other thread repair solutions.
How to install a tanged helical insert?
To install a tanged helical insert, drill out the damaged thread to the specified tap drill size, then tap the hole with the correct STI tap. Use a tang-style installation tool to wind the insert into the hole until it sits slightly below the surface. After installation, break off the tang with a punch.
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Common applications for APPROVED VENDORAPPROVED VENDOR Products
3G Electric supplies APPROVED VENDOR free-running tanged helical inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









