OSG Screw Thread Insert STI Tap: Spiral Fute, 7/16"-14 UNC, H3 / 2B-3B
SKU 3G-OTH-244313
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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 is used to cut internal threads in steel and stainless steel for installing helical wire thread inserts. It is commonly applied in aerospace, automotive, and industrial maintenance to repair or reinforce stripped threads without replacing the parent component.
What are the specifications of the OSG STI Tap 30201901?
The OSG STI Tap 30201901 is a spiral-flute tap for steel and stainless steel, sized 7/16"-14 UNC with a thread tolerance of H3 / 2B-3B. It has 3 flutes and is designed for through-hole threading. The manufacturer part number is 30201901.
Where to buy OSG STI Tap 30201901 worldwide?
You can source the OSG STI Tap 30201901 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 this spiral-flute STI tap.
How to select the correct OSG STI tap for thread repair?
To select the correct OSG STI tap, match the tap size and thread pitch to the insert you plan to install. For steel or stainless steel, choose a spiral-flute design like the 7/16"-14 UNC H3 / 2B-3B tap for through-hole applications. Always verify the thread class and material compatibility before ordering.
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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.















