Grainger Helical Insert: Tanged Tang Style
APPROVED VENDOR Helical Insert: Tanged Tang Style, Screw-Locking, 1/4"-28 Thread Size, Plain, 10 PK (MPN 3534-1/4X1.0DSL). This inch-system, right-hand thread insert is made from 18-8 stainless steel with a tensile…
SKU 3G-OTH-528864
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Product Description
APPROVED VENDOR Helical Insert: Tanged Tang Style, Screw-Locking, 1/4"-28 Thread Size, Plain, 10 PK (MPN 3534-1/4X1.0DSL). This inch-system, right-hand thread insert is made from 18-8 stainless steel with a tensile strength of 200,000 psi and an STI Tap Size of 1/4"-28, designed for use in metal. 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.
Frequently Asked Questions
What is an APPROVED VENDOR helical insert used for?
An APPROVED VENDOR helical insert repairs or strengthens threaded holes in metal. The screw-locking design resists vibration loosening, making it suitable for industrial machinery, automotive, and aerospace applications where joint integrity is critical.
What are the specifications of the APPROVED VENDOR 3534-1/4X1.0DSL helical insert?
This tanged tang-style insert has a 1/4"-28 fine thread, right-hand direction, and an STI tap size of 1/4"-28. It is made from 18-8 stainless steel with a tensile strength of 200,000 psi, plain finish, and comes in a 10-pack.
Where to buy APPROVED VENDOR helical inserts worldwide?
3G Electric supplies and delivers APPROVED VENDOR helical inserts worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order reaches any international destination.
How to install a tanged helical insert?
Installation requires drilling to the specified STI tap size, tapping the hole with an STI tap, then using a tang insertion tool to wind the insert into place. After installation, break off the tang with a punch. Always follow the manufacturer's instructions for torque and depth.
Grainger Products
3G Electric supplies Grainger screw-locking tanged helical inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

