OSG Screw Thread Insert STI Tap: Spiral Point, 5/8"-11 UNC, H4 / 2B-3B, 4 Flute
The OSG Screw Thread Insert STI Tap: Spiral Point (MPN 31402908) is a 5/8"-11 UNC, H4 / 2B-3B, 4-flute, plug-chamfer tap designed for threading holes to accept screw thread inserts. 3G Electric interprets your demand…
SKU 3G-OTH-284724
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: Spiral Point (MPN 31402908) is a 5/8"-11 UNC, H4 / 2B-3B, 4-flute, plug-chamfer tap designed for threading holes to accept screw thread inserts. 3G Electric interprets your demand for this specific OSG tap, sources it across 14 industrial departments, and supports 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 multiple materials to accept helical wire thread inserts. It is commonly used in aerospace, automotive, and general manufacturing to repair or reinforce tapped holes in aluminum, steel, and cast iron.
What are the specifications of the OSG STI Tap 5/8"-11 UNC?
This OSG spiral-point STI tap has a 5/8"-11 UNC thread, H4 / 2B-3B tolerance, 4 flutes, and a plug chamfer. It is designed for through-hole tapping in multiple materials. The manufacturer part number is 31402908.
Where to buy OSG STI Tap 5/8"-11 UNC worldwide?
3G Electric supplies and delivers the OSG STI Tap 5/8"-11 UNC (MPN 31402908) worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this precision threading tool.
How to select the correct STI tap size for thread inserts?
Select an STI tap that matches the thread insert's nominal size and pitch, such as 5/8"-11 UNC. The tap tolerance (e.g., H4 / 2B-3B) must align with the insert's internal thread class. Always verify the manufacturer's recommendation for material and hole type.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point sti taps for multiple materials. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
