OSG Screw Thread Insert STI Tap: Spiral Fute, 7/8"-14 UNF, H4 / 2B-3B
OSG Spiral-Flute STI Taps for Steel & Stainless Steel.
SKU 3G-OTH-244201
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
Need installation or engineering help?
Ask a question
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 heavy equipment.
What are the specifications of the OSG STI tap 30205908?
The OSG STI tap model 30205908 has a thread size of 7/8"-14 UNF, a thread limit of H4 / 2B-3B, and a 4-flute spiral-flute design. It is designed for tapping steel and stainless steel. The manufacturer part number is 30205908.
Where to buy OSG taps in worldwide?
You can source OSG taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on the OSG spiral-flute STI tap model 30205908.
How to select the correct OSG STI tap for a repair job?
Select an OSG STI tap that matches the thread size, pitch, and class of the insert you plan to install. For steel or stainless steel, choose a spiral-flute design like the 7/8"-14 UNF H4 / 2B-3B tap. Always verify the hole size and material hardness before tapping.
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.
