OSG Screw Thread Insert STI Tap: Spiral Fute, 1/2"-20 UNF, H4 / 2B-3B
SKU 3G-OTH-276725
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Frequently Asked Questions
What is an OSG Screw Thread Insert STI Tap used for?
An OSG Screw Thread Insert STI Tap is used to pre-tap holes for helical wire thread inserts in nickel and titanium alloys. Its spiral-flute design evacuates chips upward, making it ideal for deep or blind-hole threading in aerospace and high-temperature alloy components.
What are the specifications of the OSG 31541008 STI Tap?
The OSG 31541008 is a spiral-flute STI tap with 1/2"-20 UNF thread, H4 / 2B-3B tolerance, and 3 flutes. It is designed specifically for nickel and titanium alloys. The H4 pitch diameter tolerance ensures proper fit for STI inserts in demanding materials.
Where to buy OSG STI Taps for nickel and titanium worldwide?
3G Electric supplies OSG STI Taps like the 31541008 to customers worldwide. We handle full logistics, customs clearance, and delivery for global orders. Contact us for pricing and lead time on this spiral-flute tap engineered for nickel and titanium threading.
How to select the correct STI tap for thread inserts?
Select an STI tap with the same thread size and pitch as the insert (e.g., 1/2"-20 UNF). Use H4 tolerance for 2B-3B class fits. For nickel and titanium, choose spiral-flute taps like OSG's to clear chips. Always match the tap to the insert manufacturer's specifications.
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Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute sti taps for nickel & titanium. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
