OSG Spiral Point Tap: 7/16"-20 UNF, H3 / 2B-3B, 3 Flute
SKU 3G-OTH-272838
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is the OSG spiral point tap 7/16"-20 UNF used for?
This OSG spiral point tap is designed for threading aluminum and non-ferrous materials. Its spiral point design pushes chips forward, making it ideal for through-hole applications in automotive, aerospace, and general manufacturing where clean, efficient thread cutting is required.
What are the specifications of the OSG spiral point tap 7/16"-20 UNF?
The OSG spiral point tap has a 7/16"-20 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for aluminum and non-ferrous materials. The manufacturer part number is 1101601803.
Where to buy OSG spiral point taps worldwide?
3G Electric supplies OSG spiral point taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this OSG tap.
How to select the correct OSG spiral point tap for aluminum?
Select an OSG spiral point tap with the correct thread size, pitch, and tolerance for your application. For aluminum, use taps designed for non-ferrous materials. Ensure the chamfer type matches your hole condition—plug chamfer works for most through-hole jobs. Consult OSG technical data for optimal speeds and feeds.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point taps for aluminum. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















