OSG Spiral Flute Tap: 1/4"-20 UNC, H2 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap (1/4"-20 UNC, MPN 2928008) is a general-purpose spiral-flute tap with an H2 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. 3G Electric interprets demand and delivers this…
SKU 3G-OTH-230127
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Product Description
The OSG Spiral Flute Tap (1/4"-20 UNC, MPN 2928008) is a general-purpose spiral-flute tap with an H2 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the OSG spiral flute tap 2928008 used for?
The OSG spiral flute tap 2928008 is designed for threading blind holes in ferrous and non-ferrous materials. Its spiral flute design evacuates chips upward, preventing clogging. The modified bottoming chamfer allows threading close to the hole bottom, making it ideal for general-purpose tapping in manufacturing and maintenance applications.
What are the specifications of the OSG 1/4-20 UNC spiral flute tap?
This OSG tap has a 1/4-20 UNC thread size, H2 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. The H2 limit ensures precise thread fit for 2B-3B classes. It is a general-purpose spiral flute tap designed for blind hole tapping, with MPN 2928008.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on the OSG spiral flute tap 2928008. We source and deliver genuine OSG tooling to any international destination.
How to select the correct OSG tap for blind holes?
For blind holes, choose a spiral flute tap like the OSG 2928008 to evacuate chips upward. Ensure the thread size (1/4-20 UNC), chamfer type (modified bottoming), and tolerance (H2 / 2B-3B) match your application. Consult OSG's technical data for material-specific speeds and feeds to optimize thread quality and tool life.
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3G Electric supplies OSG general purpose spiral-flute taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















