OSG Screw Thread Insert STI Tap: Spiral Point, 7/8"-9 UNC, H5 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap designed for 7/8"-9 UNC threads, featuring an H5 / 2B-3B tolerance with a plug chamfer and 3 flutes (MPN 12502200). 3G Electric interprets this demand and…
SKU 3G-OTH-287041
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The OSG Screw Thread Insert STI Tap is a spiral-point tap designed for 7/8"-9 UNC threads, featuring an H5 / 2B-3B tolerance with a plug chamfer and 3 flutes (MPN 12502200). 3G Electric interprets this demand and sources the genuine OSG tool, backed by specialist expertise across 14 industrial departments — including cutting tools — to ensure you get the right solution.
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 pre-drilled holes for installing helical wire thread inserts. It is commonly applied in aerospace, automotive, and heavy equipment manufacturing where stripped or damaged threads need repair or reinforcement.
What are the specifications of the OSG STI Tap 12502200?
The OSG STI Tap 12502200 has a UNC thread size of 7/8"-9, with H5 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is a spiral-point design for through-hole tapping, manufactured by OSG under part number 12502200.
Where to buy OSG STI Tap 12502200 worldwide?
You can source the OSG STI Tap 12502200 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring compliance with international shipping requirements.
How to select the correct OSG STI Tap for thread inserts?
Select an OSG STI Tap based on the thread insert size and class. For the 12502200 model, match the UNC 7/8"-9 thread and H5 tolerance to the insert's requirements. Use a plug chamfer for through holes and ensure the tap flute count suits the material being threaded.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
