OSG Screw Thread Insert STI Tap: Spiral Fute, #2-56 UNC, H2 / 2B-3B
SKU 3G-OTH-276714
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is an OSG Screw Thread Insert STI Tap used for?
An OSG Screw Thread Insert STI Tap cuts internal threads in nickel and titanium alloys to accept helical wire inserts. It is used in aerospace, medical, and high-performance manufacturing where thread strength and reliability are critical.
What are the specifications of the OSG STI Tap #2-56 UNC?
This OSG STI tap has a #2-56 UNC thread size, H2 / 2B-3B tolerance, 3 flutes, and a spiral-flute design. It is designed for nickel and titanium alloys. The manufacturer part number is 31540108.
Where to buy OSG STI Taps for nickel and titanium worldwide?
3G Electric supplies OSG STI taps like the #2-56 UNC spiral-flute model to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive the correct tool for demanding nickel and titanium applications.
How to select the correct OSG STI tap for thread inserts?
Select an OSG STI tap based on thread size (e.g., #2-56 UNC), material (nickel/titanium), and tolerance class (H2 / 2B-3B). Spiral-flute taps are ideal for deep or blind holes. Always match the tap to the insert manufacturer's specifications.
Used in
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.















