OSG Spiral Flute Tap: 5/16"-18 UNC, H3 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap (5/16"-18 UNC, MPN 2930800) is a general-purpose spiral-flute tap with an H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. 3G Electric interprets your demand for this OSG tap…
SKU 3G-OTH-229894
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Product Description
The OSG Spiral Flute Tap (5/16"-18 UNC, MPN 2930800) is a general-purpose spiral-flute tap with an H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. 3G Electric interprets your demand for this OSG tap and delivers it as part of our broad industrial supply across 14 departments, with specialist depth in combustion, pumps, and controls.
Frequently Asked Questions
What is an OSG spiral flute tap used for?
An OSG spiral flute tap is used for threading blind holes in materials such as steel, stainless steel, and aluminum. The spiral flute design pulls chips upward and out of the hole, preventing chip clogging and enabling cleaner threads in deep or blind-hole applications.
What are the specifications of the OSG 5/16-18 UNC spiral flute tap?
This OSG tap has a 5/16-18 UNC thread size, H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. It is designed for general-purpose threading in blind holes. The manufacturer part number is 2930800.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps worldwide, handling full logistics and customs clearance for international orders. As a global industrial sourcing partner, we provide genuine OSG cutting tools like this spiral flute tap to customers across multiple industries, ensuring reliable delivery to your location.
How to select the right OSG tap for blind holes?
For blind holes, choose a spiral flute tap like this OSG 5/16-18 UNC model, as its flutes eject chips upward. Match the tap's thread size, pitch, and tolerance (e.g., H3 / 2B-3B) to your hole specifications. A modified bottoming chamfer allows threading close to the hole bottom.
Used in
Common applications for OSGOSG Products
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.
