OSG Spiral Point Tap: 7/16"-20 UNF, H5 / 2B-3B, 3 Flute, Plug Chamfer
The OSG Spiral Point Tap (7/16"-20 UNF) is a spiral-point tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance, plug chamfer, 3 flutes, and V coated powdered metal construction (MPN 1651503008). 3G…
SKU 3G-OTH-224121
Need installation or engineering help?
Ask a question
Product Description
The OSG Spiral Point Tap (7/16"-20 UNF) is a spiral-point tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance, plug chamfer, 3 flutes, and V coated powdered metal construction (MPN 1651503008). 3G Electric interprets this demand and sources the genuine OSG cutting tool, backed by specialist expertise across 14 industrial departments — including machining — to ensure you get the right solution.
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 through-holes in steel and stainless steel. Its V-coated powdered metal construction provides wear resistance and chip evacuation, making it suitable for production tapping in automotive, aerospace, and general manufacturing applications.
What are the specifications of the OSG spiral point tap 7/16"-20 UNF?
The OSG spiral point tap has a thread size of 7/16"-20 UNF, with an H5 tolerance for class 2B/3B fit. It features 3 flutes, a plug chamfer, and a V-coated powdered metal body. The manufacturer part number is 1651503008.
Where to buy the OSG spiral point tap 7/16"-20 UNF worldwide?
You can source the OSG spiral point tap 7/16"-20 UNF through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your threading needs.
How to select the correct OSG spiral point tap for steel?
For steel threading, choose a spiral point tap with a plug chamfer and coating like V-coat for chip control. Verify thread size (e.g., 7/16"-20 UNF) and tolerance (H5 for class 2B/3B). OSG taps are designed for through-holes; consult the manufacturer's speed and feed recommendations for optimal performance.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.














