OSG Screw Thread Insert STI Tap: Spiral Fute, #4-40 UNC, H2 / 2B-3B, 2 Flute
SKU 3G-OTH-273422
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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 cuts internal threads in metal or plastic to accept helical wire thread inserts. It is used in aerospace, automotive, and general manufacturing to repair or reinforce stripped threads, ensuring strong, reusable connections.
What are the specifications of the OSG STI Tap #4-40 UNC?
This OSG STI Tap is #4-40 UNC with a H2 / 2B-3B tolerance, spiral flute design, 2 flutes, and a bottoming chamfer. It is designed for thread insert installation, providing precise thread fit. The manufacturer part number is 8003600.
Where to buy OSG STI Taps worldwide?
3G Electric supplies OSG STI Taps worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine OSG cutting tools and deliver them to your facility, ensuring compliance with international shipping requirements.
How to select the correct STI tap for thread inserts?
Select an STI tap that matches the thread insert size and pitch, such as #4-40 UNC. Use a bottoming chamfer for blind holes and spiral flute for chip evacuation. Ensure the tap tolerance (e.g., H2) aligns with the required thread class (2B-3B) for proper insert fit.
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Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
