OSG Screw Thread Insert STI Tap: Spiral Fute, 3/4"-16 UNF, H3 / 2B-3B
SKU 3G-OTH-244228
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Frequently Asked Questions
What is the OSG 30204801 STI tap used for?
The OSG 30204801 is a spiral-flute STI tap designed for cutting internal threads in steel and stainless steel for screw thread inserts. It is commonly used in aerospace, automotive, and general manufacturing where strong, wear-resistant threads are required in hard materials.
What are the specifications of the OSG 30204801 STI tap?
The OSG 30204801 is a 3/4"-16 UNF spiral-flute STI tap with 4 flutes and a thread tolerance of H3 / 2B-3B. It is designed for steel and stainless steel applications. The manufacturer part number is 30204801.
Where to buy OSG taps in worldwide?
You can source the OSG 30204801 STI tap through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.
How to select the correct STI tap for steel?
Select an STI tap based on thread size, pitch, and material. For steel and stainless steel, use a spiral-flute design like the OSG 30204801 to evacuate chips. Ensure the tap tolerance (e.g., H3 / 2B-3B) matches the required thread class. Always follow manufacturer recommendations for speed and lubrication.
Used in
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.















