OSG Screw Thread Insert STI Tap: Straight Fute, #8-32 UNC, H3 / 2B-3B, 3 Flute
SKU 3G-OTH-262001
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Frequently Asked Questions
What is an OSG Screw Thread Insert STI Tap used for?
An OSG STI tap cuts internal threads in pre-drilled holes to accept helical wire thread inserts. It is used in metalworking and maintenance to repair or reinforce threads in aluminum, cast iron, and steel components across industrial applications.
What are the specifications of the OSG STI Tap #8-32 UNC?
This OSG STI tap is #8-32 UNC size with H3 / 2B-3B thread class, 3 straight flutes, and a plug chamfer. It is designed for general-purpose thread repair and reinforcement in materials up to 850 °C operating environments.
Where to buy OSG STI Taps worldwide?
3G Electric supplies OSG STI taps worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this #8-32 UNC plug chamfer tap.
How to select the correct STI tap size for thread repair?
Select an STI tap that matches the original thread size and pitch, such as #8-32 UNC. The tap must be H3 tolerance for 2B-3B fit. Always drill the recommended hole diameter for the insert before tapping to ensure proper thread engagement.
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Common applications for OSGOSG Products
3G Electric supplies OSG general purpose sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















