OSG Spiral Flute Tap: 5/16"-24 UNF, 2B, 3 Flute, Bottoming Chamfer
The OSG Spiral Flute Tap (5/16"-24 UNF, MPN 2985905) is a general-purpose tap with a 2B thread class, bottoming chamfer, and TiN-coated high-speed steel construction. Its 3-flute spiral design is engineered for…
SKU 3G-OTH-230924
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 (5/16"-24 UNF, MPN 2985905) is a general-purpose tap with a 2B thread class, bottoming chamfer, and TiN-coated high-speed steel construction. Its 3-flute spiral design is engineered for efficient chip evacuation in through-hole threading applications.
Frequently Asked Questions
What is the OSG spiral flute tap 2985905 used for?
This OSG spiral flute tap is designed for threading blind holes in materials like steel and aluminum. Its TiN coating reduces friction and extends tool life, while the bottoming chamfer allows threading close to the hole bottom. It is commonly used in automotive, aerospace, and general machining applications.
What are the specifications of the OSG 2985905 tap?
The OSG 2985905 is a 5/16"-24 UNF spiral flute tap with a 2B thread class, 3 flutes, and a bottoming chamfer. It is made from TiN coated high speed steel. This tap is suitable for producing internal threads in blind holes and is available from 3G Electric.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps like the 2985905 to customers worldwide. We handle full logistics and customs clearance, ensuring delivery to your facility. Contact us for pricing and lead time on this and other OSG threading tools.
How to select the right spiral flute tap for blind holes?
For blind holes, choose a spiral flute tap with a bottoming chamfer, like the OSG 2985905, to thread close to the hole bottom. Ensure the tap size matches the thread specification (e.g., 5/16"-24 UNF). Use cutting fluid appropriate for the workpiece material to improve thread quality and tool life.
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.
