OSG Screw Thread Insert STI Tap: Spiral Fute, 9/16"-18 UNF, H4 / 2B-3B
SKU 3G-OTH-244281
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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 steel and stainless steel to accept helical wire thread inserts. It is commonly used in automotive, aerospace, and general manufacturing to repair or reinforce threaded holes in demanding materials.
What are the specifications of the OSG 30203408 STI Tap?
The OSG 30203408 is a spiral-flute STI tap with a 9/16"-18 UNF thread, H4 / 2B-3B tolerance, and 4 flutes. It is designed for threading holes that will receive screw thread inserts in steel and stainless steel applications.
Where to buy OSG STI Taps worldwide?
3G Electric supplies OSG STI Taps worldwide, handling full logistics and customs clearance. As a global industrial sourcing partner, we provide genuine OSG cutting tools like the 30203408 to customers across 14 departments, including machining and tooling.
How to select the correct STI tap size for a thread insert?
Select an STI tap that matches the thread insert's nominal size and pitch, such as 9/16"-18 UNF. The tap tolerance (e.g., H4) must align with the insert's required class of fit (2B-3B). Always verify the insert manufacturer's recommendations for pre-tap drill diameter.
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.
