OSG 0147201 Spiral-Flute STI Tap
The OSG Screw Thread Insert STI Tap (MPN 0147201) is a spiral-flute tap for steel and stainless steel, sized 7/16"-14 UNC with an H3 / 2B-3B tolerance and a bottoming chamfer. It features 3 flutes and is designed for…
SKU 3G-OTH-244173
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Product Description
The OSG Screw Thread Insert STI Tap (MPN 0147201) is a spiral-flute tap for steel and stainless steel, sized 7/16"-14 UNC with an H3 / 2B-3B tolerance and a bottoming chamfer. It features 3 flutes and is designed for threading holes that will accept screw thread inserts.
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 for installing helical wire thread inserts. It is commonly used in aerospace, automotive, and heavy equipment repair to restore stripped threads or reinforce threaded holes in demanding applications.
What are the specifications of the OSG 0147201 STI Tap?
The OSG 0147201 is a spiral-flute STI tap with 7/16"-14 UNC thread, H3 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer. It is designed for threading holes in steel and stainless steel where chip evacuation is critical.
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 0147201 to customers across 14 departments, including machining and tooling.
How to select the correct STI tap for thread repair?
Select an STI tap that matches the thread size and pitch of the insert, such as 7/16"-14 UNC. Use a bottoming chamfer for blind holes and a spiral-flute design for steel or stainless steel to clear chips. Always verify the tap tolerance (e.g., H3 / 2B-3B) matches your required fit class.
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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.
