OSG Screw Thread Insert STI Tap: Spiral Fute, 7/16"-14 UNC, H4 / 2B-3B, 4 Flute
The OSG Screw Thread Insert STI Tap (SKU 10800500, MPN 10800500) is a spiral-flute tap for 7/16"-14 UNC threads, with an H4 / 2B-3B tolerance and a bottoming chamfer. It features 4 flutes and is designed for…
SKU 3G-OTH-273379
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 (SKU 10800500, MPN 10800500) is a spiral-flute tap for 7/16"-14 UNC threads, with an H4 / 2B-3B tolerance and a bottoming chamfer. It features 4 flutes and is designed for threading holes that will accept screw thread inserts.
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 industrial maintenance to repair or reinforce stripped threads in metal components.
What are the specifications of the OSG STI Tap 10800500?
The OSG STI Tap 10800500 has a 7/16"-14 UNC thread size, H4 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer. It is a spiral-flute tap designed for thread insert installation. The part number is 10800500 and the SKU is 3G-OTH-273379.
Where to buy OSG STI Taps worldwide?
You can source OSG STI Taps through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this and other OSG tooling.
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 tolerance. For a 7/16"-14 UNC insert, use the corresponding STI tap with H4 / 2B-3B tolerance. Ensure the tap has a bottoming chamfer for blind holes and spiral flutes for chip evacuation in through-hole applications.
Used in
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.
