OSG Spiral Point Tap: 7/16"-20 UNF, H3 / 2B-3B, 3 Flute
SKU 3G-OTH-224528
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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 spiral point design pushes chips forward, preventing clogging and enabling faster production. It is commonly used in automotive, aerospace, and general manufacturing applications requiring precise UNF threads.
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, a H3 / 2B-3B tolerance class, 3 flutes, and a plug chamfer. The manufacturer part number is 1101701308. It is designed for threading steel and stainless steel materials in through-hole applications.
Where to buy OSG spiral point taps worldwide?
You can source OSG spiral point 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 this and other OSG threading tools.
How to select the correct OSG spiral point tap for steel?
Select an OSG spiral point tap based on thread size, pitch, and material. For steel and stainless steel, use a tap with a H3 tolerance class for general-purpose threading. Ensure the tap has a plug chamfer for through-holes and sufficient flutes for chip evacuation. Always match the tap to the specific material hardness.
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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.














