OSG Screw Thread Insert STI Tap: Spiral Fute, 1/2"-13 UNC, H3 / 2B-3B
SKU 3G-OTH-281170
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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 multiple materials to accept helical wire thread inserts. It is commonly used in aerospace, automotive, and general manufacturing to repair or reinforce tapped holes in aluminum, steel, and cast iron.
What are the specifications of the OSG 31502008 STI Tap?
The OSG 31502008 is a spiral-flute STI tap with thread size 1/2"-13 UNC, 3 flutes, and a thread limit of H3 / 2B-3B. It is designed for tapping holes that will receive screw thread inserts in multiple materials.
Where to buy OSG STI Taps worldwide?
3G Electric supplies OSG STI Taps worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 1/2"-13 UNC spiral-flute tap, MPN 31502008.
How to select the correct STI tap size for a thread insert?
Select an STI tap that matches the thread size and pitch of the insert, such as 1/2"-13 UNC. The tap's thread limit (e.g., H3 / 2B-3B) must align with the insert's tolerance class. Always refer to the insert manufacturer's drilling and tapping recommendations.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute sti taps for multiple materials. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
