OSG Screw Thread Insert STI Tap: Straight Fute, 7/8"-9 UNC, H3 / 2B-3B, 4 Flute
The OSG Screw Thread Insert STI Tap is a general-purpose STI tap with a straight flute design, sized 7/8"-9 UNC. It features a bottoming chamfer, 4 flutes, and an H3 / 2B-3B tolerance class (MPN 12604000).
SKU 3G-OTH-262050
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 general-purpose STI tap with a straight flute design, sized 7/8"-9 UNC. It features a bottoming chamfer, 4 flutes, and an H3 / 2B-3B tolerance class (MPN 12604000).
Frequently Asked Questions
What is the OSG Screw Thread Insert STI Tap used for?
The OSG Screw Thread Insert STI Tap is used to cut internal threads in metal or plastic for installing helical wire thread inserts. It is commonly applied in aerospace, automotive, and general manufacturing to repair or reinforce threaded holes, ensuring strong, wear-resistant connections.
What are the specifications of the OSG STI Tap 12604000?
This OSG STI Tap has a 7/8"-9 UNC thread size, H3 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer. It is a general-purpose straight flute tap designed for thread insert installation. The manufacturer part number is 12604000, and it is suitable for through or blind holes.
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 12604000 or other thread insert taps.
How to select the correct OSG STI Tap for a thread insert?
Select an OSG STI Tap that matches the thread insert's size and pitch, such as 7/8"-9 UNC. Ensure the tap tolerance (e.g., H3 / 2B-3B) aligns with the required class of fit. Use a bottoming chamfer for blind holes or a plug chamfer for through holes. Always follow the insert manufacturer's recommendations.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG general purpose sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
