OSG Screw Thread Insert STI Tap: Spiral Point, 3/4"-10 UNC, H3 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap for steel and stainless steel, sized 3/4"-10 UNC with an H3 / 2B-3B tolerance and plug chamfer. It features 3 flutes and is identified by manufacturer part…
SKU 3G-OTH-265370
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 is a spiral-point tap for steel and stainless steel, sized 3/4"-10 UNC with an H3 / 2B-3B tolerance and plug chamfer. It features 3 flutes and is identified by manufacturer part number 30103508.
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 commonly used in automotive, aerospace, and heavy equipment repair where stripped threads must be restored to original strength without replacing the parent component.
What are the specifications of the OSG 30103508 STI Tap?
The OSG 30103508 is a spiral-point STI tap with 3/4"-10 UNC thread, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for threading holes that will receive screw thread inserts in steel and stainless steel materials.
Where to buy OSG STI taps for worldwide delivery?
3G Electric supplies OSG STI taps like the 30103508 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact our team for a quote and lead time on this spiral-point tap for steel and stainless steel applications.
How to select the correct STI tap size for a thread repair?
Select an STI tap that matches the original thread size and pitch — for example, 3/4"-10 UNC. The tap must be marked H3 / 2B-3B to produce threads that accept the corresponding screw thread insert. Always verify the insert manufacturer's recommended tap tolerance before ordering.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point 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.
