OSG Screw Thread Insert STI Tap: Spiral Fute, #8-32 UNC, H2 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-flute tap for steel and stainless steel, specified as #8-32 UNC with an H2 / 2B-3B tolerance and a bottoming chamfer. It features 3 flutes and is identified by…
SKU 3G-OTH-244357
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Product Description
The OSG Screw Thread Insert STI Tap is a spiral-flute tap for steel and stainless steel, specified as #8-32 UNC with an H2 / 2B-3B tolerance and a bottoming chamfer. It features 3 flutes and is identified by manufacturer part number 0145201.
Frequently Asked Questions
What is the OSG Screw Thread Insert STI Tap used for?
This OSG spiral-flute STI tap is designed for cutting internal threads in steel and stainless steel before installing screw thread inserts. It is commonly used in automotive, aerospace, and general manufacturing applications where strong, wear-resistant threads are required.
What are the specifications of the OSG Screw Thread Insert STI Tap 0145201?
The OSG STI tap has a #8-32 UNC thread size, H2 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer. It is a spiral-flute design optimized for steel and stainless steel. The manufacturer part number is 0145201.
Where to buy the OSG Screw Thread Insert STI Tap worldwide?
3G Electric supplies the OSG Screw Thread Insert STI Tap worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to select the correct OSG STI tap for a thread repair?
Select an STI tap that matches the thread size and pitch of the insert you plan to install. For steel or stainless steel, choose a spiral-flute design like this OSG tap. Ensure the tap tolerance (e.g., H2 / 2B-3B) aligns with your required thread 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.















