OSG Spiral Point Tap: 5/16"-18 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2840800)
SKU 3G-OTH-216005
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is the OSG spiral point tap 2840800 used for?
The OSG spiral point tap 2840800 is designed for threading through-holes in ferrous and non-ferrous materials. Its spiral point design pushes chips forward, reducing chip clogging and enabling faster tapping in production environments.
What are the specifications of the OSG tap 2840800?
This OSG tap has a 5/16"-18 UNC thread, H5 tolerance for 2B-3B fit, 3 flutes, and a plug chamfer. The manufacturer part number is 2840800. It is a general-purpose spiral-point tap suitable for high-speed tapping operations.
Where to buy OSG taps in worldwide?
You can source OSG taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG spiral point tap 2840800.
How to select the correct OSG tap for UNC threads?
To select the correct OSG tap, match the thread size (e.g., 5/16"-18 UNC) and tolerance class (H5 for 2B-3B fit) to your application. For through-holes, a spiral-point tap like the 2840800 is ideal. Always verify material compatibility and chamfer type (plug chamfer for general use).
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.















