OSG Spiral-Flute STI Tap for Aluminum, #4-40 UNC, H2 / 2B-3B, 2 Flute
OSG Spiral-Flute STI Taps for Aluminum.
SKU 3G-OTH-262361
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
OSG Spiral-Flute STI Taps for Aluminum.
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 aluminum and non-ferrous materials before installing screw thread inserts. It is commonly used in aerospace, automotive, and general manufacturing applications where strong, wear-resistant threads are required in softer base materials.
What are the specifications of the OSG STI Tap #4-40 UNC?
The OSG STI tap (MPN 1303900208) has a #4-40 UNC thread size, H2 / 2B-3B tolerance, and a 2-flute spiral-flute design optimized for aluminum. It is a spiral-flute STI tap that produces threads to accept standard screw thread inserts. The H2 limit ensures precise thread fit for insert installation.
Where to buy OSG STI Taps in worldwide?
3G Electric supplies OSG STI taps worldwide, including the #4-40 UNC spiral-flute model. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this and other OSG tooling.
How to select the correct OSG STI tap for aluminum?
Select an OSG STI tap with spiral flutes for aluminum to ensure efficient chip evacuation and reduced cutting torque. Match the tap thread size (e.g., #4-40 UNC) and tolerance (H2 / 2B-3B) to your insert requirements. Use proper cutting fluid and maintain recommended speeds for best thread quality and tool life.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute sti taps for aluminum. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
