OSG Screw Thread Insert STI Tap: Spiral Fute, 1/2"-13 UNC, H4 / 2B-3B
OSG Spiral-Flute STI Taps for Steel & Stainless Steel.
SKU 3G-OTH-244291
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
OSG Spiral-Flute STI Taps for Steel & Stainless Steel.
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 steel and stainless steel for screw thread inserts. It creates threads that accept a helical coil insert, restoring or strengthening threaded holes in industrial applications like automotive and aerospace manufacturing.
What are the specifications of the OSG Screw Thread Insert STI Tap 1/2"-13 UNC?
This OSG STI tap has a 1/2"-13 UNC thread size, H4 / 2B-3B tolerance, 4 flutes, and a spiral-flute design for chip evacuation. The manufacturer part number is 30202501. It is designed for threading holes that will receive screw thread inserts in steel and stainless steel.
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 this OSG spiral-flute STI tap model 30202501.
How to select the correct OSG STI tap for a repair job?
Select an OSG STI tap by matching the thread size and pitch to the insert you will install. For steel or stainless steel, choose a spiral-flute design like this 1/2"-13 UNC tap for chip clearance. Verify the tap tolerance (H4 / 2B-3B) matches your required thread class for proper insert fit.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute sti taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
