OSG Screw Thread Insert STI Tap: Spiral Fute, 3/4"-16 UNF, H4 / 2B-3B
SKU 3G-OTH-244332
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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 applications.
What are the specifications of the OSG 30205108 STI Tap?
The OSG 30205108 is a spiral-flute STI tap with thread size 3/4"-16 UNF, H4 / 2B-3B tolerance, and 4 flutes. It is designed for threading steel and stainless steel before installing screw thread inserts. The spiral flute design aids chip evacuation.
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 30205108 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 3/4"-16 UNF. The tap tolerance (e.g., H4 / 2B-3B) must align with the insert manufacturer's recommendation. Always verify the insert's drill size and thread class before tapping.
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.
