OSG Spiral Flute Tap: 1/4"-20 UNC, H2 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap (1/4"-20 UNC, MPN 2928000) is a general-purpose tap with an H2 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. This tool is designed for threading applications requiring…
SKU 3G-OTH-230737
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 Spiral Flute Tap (1/4"-20 UNC, MPN 2928000) is a general-purpose tap with an H2 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. This tool is designed for threading applications requiring precise internal threads in a range of materials.
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 1/4"-20 UNC tap with a modified bottoming chamfer is ideal for through-hole or near-bottom threading in general machining applications.
What are the specifications of the OSG 2928000 tap?
The OSG 2928000 is a 1/4"-20 UNC spiral flute tap with 3 flutes, a modified bottoming chamfer, and an H2 / 2B-3B tolerance class. It is designed for general purpose threading in blind holes, providing efficient chip evacuation and accurate thread formation in a range of materials.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine OSG cutting tools like the 2928000 spiral flute tap and deliver them to your facility. Contact us for pricing and lead time on this and other OSG tooling.
How to select the right spiral flute tap for blind holes?
For blind holes, choose a spiral flute tap with a modified bottoming chamfer, like the OSG 2928000, to thread close to the hole bottom. Match the tap's thread size (1/4"-20 UNC) and tolerance (H2 / 2B-3B) to your application. Ensure the tap material suits your workpiece—OSG taps are available for steel, aluminum, and more.
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.
