OSG Screw Thread Insert STI Tap: Spiral Fute, 3/4"-16 UNF, H3 / 2B-3B
SKU 3G-OTH-244205
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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 helical coil inserts, providing stronger, wear-resistant threads in softer materials like aluminum or cast iron.
What are the specifications of the OSG STI tap 30204808?
The OSG STI tap model 30204808 has a thread size of 3/4"-16 UNF, a thread tolerance of H3 / 2B-3B, and a 4-flute spiral-flute design. It is designed for tapping steel and stainless steel for screw thread inserts.
Where to buy OSG taps in worldwide?
You can source OSG 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 30204808 STI tap.
How to select the correct OSG STI tap for a job?
Select an OSG STI tap based on thread size, pitch, and material. For steel or stainless steel, use a spiral-flute design like the 30204808. Match the tap tolerance (e.g., H3 / 2B-3B) to the required thread class. 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 steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















