OSG Screw Thread Insert STI Tap: Spiral Fute, 9/16"-12 UNC, H3 / 2B-3B, 4 Flute
The OSG Screw Thread Insert STI Tap (SKU 33ZF17, MPN 10800800) is a spiral-flute tap designed for threading holes to accept screw thread inserts. It is specified as 9/16"-12 UNC, with an H3 / 2B-3B tolerance class, 4…
SKU 3G-OTH-273392
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Product Description
The OSG Screw Thread Insert STI Tap (SKU 33ZF17, MPN 10800800) is a spiral-flute tap designed for threading holes to accept screw thread inserts. It is specified as 9/16"-12 UNC, with an H3 / 2B-3B tolerance class, 4 flutes, and a bottoming chamfer.
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 a workpiece before installing a helical wire thread insert. It is commonly applied in aerospace, automotive, and general manufacturing to repair or reinforce threads in softer materials like aluminum or cast iron.
What are the specifications of the OSG 10800800 STI Tap?
The OSG 10800800 is a spiral-flute STI tap with a 9/16"-12 UNC thread, H3 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer. It is designed for through-hole or blind-hole thread repair and produces a 2B-3B class fit for standard thread inserts.
Where to buy OSG STI Taps worldwide?
3G Electric supplies OSG STI Taps like the 10800800 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this spiral-flute tap for 9/16"-12 UNC threads.
How to select the correct STI tap size for a thread insert?
To select the correct STI tap, match the tap's thread size and pitch to the insert's nominal thread (e.g., 9/16"-12 UNC). Use an STI tap marked H3 / 2B-3B for standard insert fits. Always verify the insert manufacturer's recommended tap drill size before cutting.
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Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
