OSG Screw Thread Insert STI Tap: Spiral Fute, #2-56 UNC, H2 / 2B-3B
SKU 3G-OTH-262352
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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 aluminum to accept helical wire thread inserts. It is used in aerospace, automotive, and general manufacturing to repair or reinforce tapped holes, ensuring strong, wear-resistant threads in soft materials.
What are the specifications of the OSG STI Tap #2-56 UNC?
This OSG STI Tap is #2-56 UNC with a spiral flute design, H2 / 2B-3B tolerance, and 2 flutes. It is designed specifically for aluminum and produces threads that accept screw thread inserts. The manufacturer part number is 1303900108.
Where to buy OSG STI Taps for aluminum worldwide?
3G Electric supplies OSG STI Taps for aluminum worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to source this #2-56 UNC spiral-flute tap and other precision tooling.
How to select the correct STI tap size for thread inserts?
Select an STI tap that matches the thread insert's nominal size and pitch, such as #2-56 UNC. The tap must be marked 'STI' and have the correct tolerance (e.g., H2 / 2B-3B) to produce threads that accept the insert. Always verify the insert manufacturer's recommendations.
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Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute sti taps for aluminum. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
