OSG Screw Thread Insert STI Tap: Spiral Fute, 7/8"-14 UNF, H3 / 2B-3B, 4 Flute
The OSG Screw Thread Insert STI Tap (MPN 10802200) is a spiral-flute tap for 7/8"-14 UNF threads, featuring an H3 / 2B-3B tolerance class and a bottoming chamfer with 4 flutes. 3G Electric interprets this demand and…
SKU 3G-OTH-273430
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Product Description
The OSG Screw Thread Insert STI Tap (MPN 10802200) is a spiral-flute tap for 7/8"-14 UNF threads, featuring an H3 / 2B-3B tolerance class and a bottoming chamfer with 4 flutes. 3G Electric interprets this demand and sources the genuine OSG tool, backed by our specialist expertise across 14 industrial departments — including machining — and our trusted authorization for brands like OSG.
Frequently Asked Questions
What is an OSG spiral-flute STI tap used for?
An OSG spiral-flute STI tap is used to cut internal threads in a workpiece for screw thread inserts. It is designed for bottoming chamfer applications, producing threads to H3 / 2B-3B tolerance classes. Common in aerospace, automotive, and general manufacturing where reliable thread repair or reinforcement is needed.
What are the specifications of the OSG STI tap 10802200?
The OSG STI tap model 10802200 has a thread size of 7/8"-14 UNF, with H3 / 2B-3B tolerance. It features a spiral-flute design with 4 flutes and a bottoming chamfer. This tap is used for screw thread insert installation and is made by OSG, a leading cutting tool manufacturer.
Where to buy OSG STI taps worldwide?
You can source OSG STI taps 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 the OSG 10802200 spiral-flute tap.
How to select the correct OSG STI tap for a thread insert?
Select an OSG STI tap based on the thread size and tolerance required for the insert. For a 7/8"-14 UNF insert, use the OSG 10802200 with H3 / 2B-3B tolerance. Ensure the tap has a bottoming chamfer for blind holes. Always match the tap to the insert manufacturer's specifications for proper thread fit.
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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.
