OSG Spiral Flute Tap: 1/2"-20 UNF, H2 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap (1/2"-20 UNF) is a general-purpose spiral-flute tap with a modified bottoming chamfer, featuring 3 flutes and an H2 / 2B-3B tolerance class (MPN 2927601).
SKU 3G-OTH-230094
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 Spiral Flute Tap (1/2"-20 UNF) is a general-purpose spiral-flute tap with a modified bottoming chamfer, featuring 3 flutes and an H2 / 2B-3B tolerance class (MPN 2927601).
Frequently Asked Questions
What is an OSG spiral flute tap used for?
An OSG spiral flute tap is used for threading blind holes in materials like steel and aluminum. Its spiral design pushes chips upward, preventing clogging and ensuring clean threads. This 1/2"-20 UNF tap with modified bottoming chamfer is ideal for applications requiring threads close to the hole bottom.
What are the specifications of the OSG 2927601 tap?
The OSG 2927601 is a 1/2"-20 UNF spiral flute tap with 3 flutes, a modified bottoming chamfer, and H2 / 2B-3B tolerance. It is designed for general-purpose threading in blind holes, providing precise thread fit and chip evacuation. The H2 limit ensures consistent thread class control.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps like the 2927601 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial sourcing partner, we provide genuine OSG cutting tools and can quote for your specific thread requirements.
How to select the right OSG tap for blind holes?
For blind holes, choose a spiral flute tap like this OSG 1/2"-20 UNF model to evacuate chips upward. Ensure the chamfer type (modified bottoming) matches your thread depth needs. Verify thread class (2B-3B) and material compatibility. 3G Electric can help match OSG taps to your application.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG general purpose spiral-flute taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
