OSG Screw Thread Insert STI Tap: Spiral Fute, 3/4"-10 UNC, H3 / 2B-3B
SKU 3G-OTH-244355
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Frequently Asked Questions
What is an OSG spiral-flute STI tap used for?
An OSG spiral-flute STI tap is used to cut internal threads in steel and stainless steel for screw thread inserts. It creates threads that accept a helical coil insert, commonly used in aerospace, automotive, and industrial applications to repair or strengthen tapped holes.
What are the specifications of the OSG 30204408 STI tap?
The OSG 30204408 is a spiral-flute STI tap with thread size 3/4"-10 UNC, tolerance H3 / 2B-3B, and 4 flutes. It is designed for threading steel and stainless steel to accept screw thread inserts. The manufacturer part number is 30204408.
Where to buy OSG STI taps worldwide?
You can source OSG STI taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG 30204408 spiral-flute STI tap.
How to select the correct OSG STI tap for a repair job?
To select the correct OSG STI tap, match the thread size and pitch to the insert you plan to use. For steel or stainless steel, choose a spiral-flute design like the 30204408 for chip evacuation. Verify the thread tolerance (e.g., H3 / 2B-3B) matches your application requirements.
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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.















