OSG Screw Thread Insert STI Tap: Spiral Fute, 1"-12 UNF, H6 / 2B-3B
SKU 3G-OTH-244415
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Frequently Asked Questions
What is the OSG Screw Thread Insert STI Tap used for?
This OSG spiral-flute STI tap is designed for cutting internal threads in steel and stainless steel before installing screw thread inserts. It is commonly used in aerospace, automotive, and heavy equipment manufacturing where strong, wear-resistant threads are required.
What are the specifications of the OSG STI Tap 30206808?
The OSG STI tap has a 1"-12 UNF thread size, H6 / 2B-3B tolerance, and 4 flutes. It is a spiral-flute design for steel and stainless steel applications. The manufacturer part number is 30206808. 3G Electric supplies this tap worldwide.
Where to buy OSG STI Tap 30206808 worldwide?
3G Electric supplies the OSG STI Tap 30206808 worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time. We source genuine OSG tooling for industrial customers globally.
How to select the correct STI tap for a screw thread insert?
Select an STI tap that matches the insert's thread size and class. For steel and stainless steel, use a spiral-flute tap like this OSG model. The H6 / 2B-3B tolerance ensures proper fit for the insert. Always follow the insert manufacturer's recommended drill size and tap specifications.
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Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute sti taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















