OSG 1/4"-28 UNF Spiral-Point STI Tap for Nickel & Titanium
The OSG Screw Thread Insert STI Tap is a spiral-point tap designed for threading nickel and titanium. This 1/4"-28 UNF tap features an H3 / 2B-3B tolerance with a plug chamfer and 3 flutes (MPN 31420608). 3G Electric…
SKU 3G-OTH-279736
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Product Description
The OSG Screw Thread Insert STI Tap is a spiral-point tap designed for threading nickel and titanium. This 1/4"-28 UNF tap features an H3 / 2B-3B tolerance with a plug chamfer and 3 flutes (MPN 31420608). 3G Electric interprets your demand for this specialist tool, sourcing it from OSG and supporting your application with our deep industrial expertise across 14 departments.
Frequently Asked Questions
What is the OSG Screw Thread Insert STI Tap used for?
This OSG spiral-point STI tap is designed for threading holes in nickel and titanium alloys before installing screw thread inserts. It creates internal threads to accept inserts that restore or strengthen threads in high-stress aerospace, automotive, and industrial applications.
What are the specifications of the OSG 31420608 STI tap?
The OSG 31420608 is a spiral-point STI tap with 1/4"-28 UNF thread, H3 / 2B-3B tolerance, 3 flutes, and plug chamfer. It is engineered for threading in nickel and titanium alloys, ensuring precise fit for screw thread inserts.
Where to buy OSG STI taps worldwide?
3G Electric supplies OSG STI taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on the OSG 31420608 or other OSG tooling.
How to select the correct OSG STI tap for nickel alloys?
Select an OSG STI tap with the same thread size and pitch as the insert (e.g., 1/4"-28 UNF). Use H3 tolerance for 2B-3B class fit. Spiral-point taps push chips forward, ideal for through holes in nickel and titanium. Always match chamfer type to hole configuration.
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Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point sti taps for nickel & titanium. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
