OSG Spiral Point Tap: 1/4"-28 UNF, H3 / 2B-3B, 3 Flute
SKU 3G-OTH-216389
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Frequently Asked Questions
What is the OSG Spiral Point Tap 1/4"-28 UNF used for?
The OSG Spiral Point Tap is designed for through-hole threading in ferrous and non-ferrous materials. Its spiral point pushes chips forward, preventing chip clogging. It is commonly used in automotive, aerospace, and general manufacturing for producing UNF threads with a plug chamfer.
What are the specifications of the OSG Spiral Point Tap MPN 2830401?
This OSG tap has a 1/4"-28 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is a general-purpose spiral-point tap designed for through-hole applications. The manufacturer part number is 2830401, and it is suitable for threading in various materials.
Where to buy OSG Spiral Point Tap 2830401 worldwide?
You can source the OSG Spiral Point Tap 2830401 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 on this OSG tap.
How to select the correct OSG spiral point tap for UNF threads?
Select an OSG spiral point tap by matching the thread size (e.g., 1/4"-28 UNF), chamfer type (plug for through-holes), and tolerance class (H3 for 2B-3B fit). Ensure the tap material suits your workpiece. For best results, use proper cutting fluid and follow OSG's recommended speeds and feeds.
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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.















