OSG Spiral Point Tap: #4-40 UNC, H3 / 2B-3B, 2 Flute
SKU 3G-OTH-214921
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Frequently Asked Questions
What is the OSG spiral point tap #4-40 UNC used for?
This OSG spiral point tap is designed for through-hole threading in metalworking applications. It pushes chips forward, reducing clogging, and is ideal for production environments requiring clean, efficient threads in steel, aluminum, and other materials.
What are the specifications of the OSG 2811401 tap?
The OSG 2811401 is a #4-40 UNC spiral point tap with an H3 / 2B-3B tolerance class, 2 flutes, and a plug chamfer. It is a general-purpose tap for through-hole threading, manufactured by OSG, and is available to order through 3G Electric.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps like the 2811401 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this and other OSG cutting tools.
How to select the right spiral point tap for through holes?
For through holes, choose a spiral point tap like this OSG #4-40 UNC to push chips forward. Match the thread size, pitch, and tolerance class (H3 / 2B-3B) to your application. Ensure the tap material suits your workpiece—OSG taps are suitable for most metals.
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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.















