OSG Spiral Point Tap: 3/8"-16 UNC, H7 / 2B-3B, 3 Flute
SKU 3G-OTH-214947
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is the OSG Spiral Point Tap 2856408 used for?
The OSG Spiral Point Tap 2856408 is a general-purpose tap designed for through-hole threading in ferrous and non-ferrous materials. Its spiral-point design pushes chips forward, reducing clogging and breakage. Common applications include automotive, aerospace, and general manufacturing where clean, accurate threads are required.
What are the specifications of the OSG Spiral Point Tap 2856408?
The OSG Spiral Point Tap 2856408 has a thread size of 3/8"-16 UNC, with a tolerance class of H7 / 2B-3B. It features 3 flutes and a plug chamfer. The manufacturer part number is 2856408. This tap is suitable for through-hole threading and is made by OSG, a leading brand in cutting tools.
Where to buy the OSG Spiral Point Tap 2856408 worldwide?
You can source the OSG Spiral Point Tap 2856408 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time. We supply genuine OSG taps to support your manufacturing operations.
How to select the correct OSG Spiral Point Tap for through-hole threading?
To select the correct OSG Spiral Point Tap, match the thread size (e.g., 3/8"-16 UNC) and tolerance class (H7 / 2B-3B) to your workpiece requirements. Spiral point taps are ideal for through holes as they push chips ahead. Ensure the tap chamfer (plug) suits the hole depth. Always use proper cutting fluid for material compatibility.
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.















