OSG Screw Thread Insert STI Tap: Spiral Fute, 5/8"-18 UNF, H4 / 2B-3B, 4 Flute
The OSG Screw Thread Insert STI Tap (MPN 10801500) is a spiral-flute tap designed for 5/8"-18 UNF threads. It features a H4 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer, enabling thread cutting in blind holes…
SKU 3G-OTH-273373
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
Need installation or engineering help?
Ask a question
Product Description
The OSG Screw Thread Insert STI Tap (MPN 10801500) is a spiral-flute tap designed for 5/8"-18 UNF threads. It features a H4 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer, enabling thread cutting in blind holes for STI inserts. 3G Electric sources this genuine OSG tool across 14 industrial departments, with specialist expertise in cutting tools and precision threading solutions.
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 bottoming chamfer applications, producing threads that accept STI inserts in materials such as steel and aluminum.
What are the specifications of the OSG 10801500 STI Tap?
The OSG 10801500 is a spiral-flute STI tap with a 5/8"-18 UNF thread size, H4 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer. It is designed for threading holes prior to installing screw thread inserts, ensuring precise fit and thread strength.
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 10801500 spiral-flute tap.
How to select the correct OSG STI Tap for an application?
Select an OSG STI tap based on thread size, pitch, and chamfer type matching your insert requirements. For bottoming holes, use a bottoming chamfer tap like the 10801500. Ensure the tap tolerance (e.g., H4 / 2B-3B) aligns with the desired thread class for your material.
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.
