OSG Screw Thread Insert STI Tap: Spiral Fute, 1"-8 UNC, H6 / 2B-3B, 4 Flute
The OSG Screw Thread Insert STI Tap (MPN 10802500) is a spiral-flute tap for 1"-8 UNC threads, with a bottoming chamfer and 4 flutes. It is ground to H6 / 2B-3B tolerance class, ensuring accurate thread fit for STI…
SKU 3G-OTH-273393
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The OSG Screw Thread Insert STI Tap (MPN 10802500) is a spiral-flute tap for 1"-8 UNC threads, with a bottoming chamfer and 4 flutes. It is ground to H6 / 2B-3B tolerance class, ensuring accurate thread fit for STI inserts. 3G Electric interprets your demand for this precision threading tool, sources it from OSG, and supports your application with specialist expertise across 14 industrial departments.
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 pre-drilled hole before installing a screw thread insert. It is designed for UNC 1"-8 threads and is commonly used in industrial maintenance, automotive, and aerospace applications where thread repair or reinforcement is required.
What are the specifications of the OSG STI tap 10802500?
The OSG STI tap model 10802500 has a UNC thread size of 1"-8, a spiral-flute design with 4 flutes, and a bottoming chamfer. It is ground to H6 tolerance for 2B-3B class fit. This tap is specifically made for installing screw thread inserts and is manufactured by OSG.
Where to buy OSG STI taps in 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 10802500 spiral-flute STI tap.
How to select the correct OSG STI tap for thread inserts?
To select the correct OSG STI tap, match the tap thread size and pitch to the insert's internal thread—here UNC 1"-8. Use a bottoming chamfer for blind holes and a spiral-flute design for chip evacuation. Ensure the tap tolerance (H6) aligns with the required class fit (2B-3B) for proper insert installation.
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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.
