OSG Spiral Point Tap: 5/16"-18 UNC, 3B, 2 Flute, Plug Chamfer
The OSG Spiral Point Tap (5/16"-18 UNC, MPN 2880801) is a general purpose spiral-point tap with a 3B thread class, plug chamfer, and black oxide high-speed steel construction. It features 2 flutes for efficient chip…
SKU 3G-OTH-215728
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 Point Tap (5/16"-18 UNC, MPN 2880801) is a general purpose spiral-point tap with a 3B thread class, plug chamfer, and black oxide high-speed steel construction. It features 2 flutes for efficient chip evacuation in through-hole threading applications.
Frequently Asked Questions
What is the OSG Spiral Point Tap 5/16"-18 UNC used for?
The OSG Spiral Point Tap is used for threading blind or through holes in ferrous and non-ferrous materials. Its spiral-point design pushes chips ahead, reducing chip clogging. Common applications include automotive, aerospace, and general manufacturing where precise UNC threads are required.
What are the specifications of the OSG Spiral Point Tap 5/16"-18 UNC?
This tap has a 5/16"-18 UNC thread size, 3B class fit, 2 flutes, and a plug chamfer. It is made from black oxide high-speed steel (HSS) for wear resistance. The manufacturer part number is 2880801. It is designed for general-purpose threading in production environments.
Where to buy the OSG Spiral Point Tap 5/16"-18 UNC worldwide?
You can source the OSG Spiral Point Tap 5/16"-18 UNC worldwide through 3G Electric. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply genuine OSG tooling.
How to select the correct OSG Spiral Point Tap for a job?
Select based on thread size (e.g., 5/16"-18 UNC), class fit (3B for tighter tolerance), material (HSS for general use), and chamfer type (plug for most blind holes). For harder materials, consider OSG's coated variants. Always match tap to hole type (through or blind) and machine capability.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG general purpose spiral-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
