OSG Screw Thread Insert STI Tap: Spiral Fute, 7/8"-9 UNC, H3 / 2B-3B, 4 Flute
The OSG Screw Thread Insert STI Tap (MPN 30205308) is a spiral-flute tap for steel and stainless steel, sized 7/8"-9 UNC with a H3 / 2B-3B tolerance and bottoming chamfer. It features 4 flutes and is designed for…
SKU 3G-OTH-244254
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 (MPN 30205308) is a spiral-flute tap for steel and stainless steel, sized 7/8"-9 UNC with a H3 / 2B-3B tolerance and bottoming chamfer. It features 4 flutes and is designed for thread-insert installation. 3G Electric interprets demand and delivers this genuine industrial tool across 14 departments, with specialist depth in combustion, pumps and controls as an authorised distributor.
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 steel and stainless steel for installing screw thread inserts. It is commonly applied in aerospace, automotive, and heavy equipment manufacturing where strong, wear-resistant threads are required.
What are the specifications of the OSG STI Tap 30205308?
The OSG STI Tap 30205308 has a UNC thread size of 7/8"-9, H3 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer. It is a spiral-flute tap designed for threading steel and stainless steel. The part number is 30205308.
Where to buy OSG STI Tap 30205308 worldwide?
You can source the OSG STI Tap 30205308 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.
How to select the correct OSG STI tap for steel?
Select an OSG STI tap based on thread size, tolerance class, and material. For steel and stainless steel, use a spiral-flute tap with a bottoming chamfer for blind holes. The 7/8"-9 UNC tap with H3 / 2B-3B tolerance is suitable for general threading applications.
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.
