OSG Screw Thread Insert STI Tap: Spiral Fute, 5/8"-11 UNC, H3 / 2B-3B, 4 Flute
The OSG Screw Thread Insert STI Tap (MPN 30203708) is a spiral-flute tap for steel and stainless steel, sized 5/8"-11 UNC with an H3 / 2B-3B tolerance and bottoming chamfer. It features 4 flutes, designed for…
SKU 3G-OTH-244218
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 30203708) is a spiral-flute tap for steel and stainless steel, sized 5/8"-11 UNC with an H3 / 2B-3B tolerance and bottoming chamfer. It features 4 flutes, designed for threading holes that will accept screw thread inserts. 3G Electric interprets your demand for this OEM-specified tool, sources it across 14 industrial departments, and supports your application with specialist depth in cutting tools and controls.
Frequently Asked Questions
What is the OSG Screw Thread Insert STI Tap used for?
This OSG spiral-flute STI tap is designed for cutting internal threads in steel and stainless steel to accept screw thread inserts. It is commonly used in automotive, aerospace, and general manufacturing applications where strong, wear-resistant threads are required in ferrous materials.
What are the specifications of the OSG STI Tap 30203708?
The OSG STI tap has a UNC thread size of 5/8"-11, a thread class of H3 / 2B-3B, 4 flutes, and a bottoming chamfer. It is a spiral-flute type designed for steel and stainless steel. The manufacturer part number is 30203708.
Where to buy OSG STI Tap 30203708 worldwide?
You can source the OSG STI Tap 30203708 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, pitch, and material. For steel and stainless steel, use a spiral-flute design with a bottoming chamfer for blind holes. Ensure the tap class (e.g., H3 / 2B-3B) matches the required thread fit. Always refer to OSG's recommendations for optimal performance.
Used in
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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.
