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 30203701) is a spiral-flute tap for steel and stainless steel, sized 5/8"-11 UNC with an H3 / 2B-3B tolerance and a bottoming chamfer. It features 4 flutes and is designed for…
SKU 3G-OTH-244287
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.
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Product Description
The OSG Screw Thread Insert STI Tap (MPN 30203701) is a spiral-flute tap for steel and stainless steel, sized 5/8"-11 UNC with an H3 / 2B-3B tolerance and a bottoming chamfer. It features 4 flutes and is designed for thread insert installation. 3G Electric interprets demand and sources this genuine industrial tool across 14 departments, with specialist depth in cutting tools and controls.
Frequently Asked Questions
What is an OSG Screw Thread Insert STI Tap used for?
An OSG Screw Thread Insert STI Tap cuts internal threads in steel and stainless steel to accept helical wire thread inserts. It is used in industrial maintenance and production to repair or reinforce stripped threads, ensuring strong, reusable connections in demanding applications.
What are the specifications of the OSG 30203701 STI Tap?
The OSG 30203701 is a spiral-flute STI tap with 5/8"-11 UNC thread, H3 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer. It is designed for threading holes in steel and stainless steel where chip evacuation is critical.
Where to buy OSG STI Taps for worldwide delivery?
3G Electric supplies OSG STI Taps like the 30203701 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this precision threading tool.
How to select the correct STI tap size for a thread repair?
Select an STI tap that matches the original thread size and pitch, such as 5/8"-11 UNC. Use a bottoming chamfer for blind holes. The H3 / 2B-3B tolerance ensures proper fit for standard thread inserts. Always verify the insert manufacturer's recommended tap specifications.
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.
