OSG Screw Thread Insert STI Tap: Spiral Fute, 3/4"-16 UNF, H3 / 2B-3B, 4 Flute
The OSG Screw Thread Insert STI Tap (MPN 30204901) is a spiral-flute tap for steel and stainless steel, sized 3/4"-16 UNF with an H3 / 2B-3B tolerance and a bottoming chamfer. It features 4 flutes and is designed for…
SKU 3G-OTH-244324
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 30204901) is a spiral-flute tap for steel and stainless steel, sized 3/4"-16 UNF with an H3 / 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 the OSG Screw Thread Insert STI Tap used for?
The OSG Screw Thread Insert STI Tap is used to cut internal threads in steel and stainless steel for installing screw thread inserts. It is commonly applied in aerospace, automotive, and heavy equipment manufacturing where thread repair or reinforcement is needed.
What are the specifications of the OSG 30204901 STI Tap?
The OSG 30204901 is a spiral-flute STI tap with a 3/4"-16 UNF thread, H3 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer. It is designed for threading steel and stainless steel to accept screw thread inserts. The manufacturer part number is 30204901.
Where to buy the OSG 30204901 STI Tap worldwide?
3G Electric supplies the OSG 30204901 STI Tap worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this spiral-flute tap for steel and stainless steel.
How to select the correct OSG STI Tap for thread inserts?
Select an OSG STI tap based on the thread size and pitch of the insert, material being tapped, and chamfer type. For blind holes, use a bottoming chamfer tap like the 30204901. Ensure the tap tolerance (H3 / 2B-3B) matches the required thread class for the insert.
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.
