OSG Spiral Flute Tap: 5/16"-18 UNC, H2 / 2B-3B, 3 Flute
The OSG Spiral Flute Tap (5/16"-18 UNC, MPN 2930601) is a general-purpose spiral-flute tap with an H2 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. This tool is designed for threading applications…
SKU 3G-OTH-229893
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Product Description
The OSG Spiral Flute Tap (5/16"-18 UNC, MPN 2930601) is a general-purpose spiral-flute tap with an H2 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. This tool is designed for threading applications requiring precise internal threads in a range of materials.
Frequently Asked Questions
What is the OSG spiral flute tap 5/16-18 UNC used for?
This OSG spiral flute tap is designed for threading blind holes in materials like steel and aluminum. Its modified bottoming chamfer and 3-flute design efficiently evacuate chips upward, making it ideal for general-purpose tapping in machining and manufacturing applications.
What are the specifications of the OSG tap MPN 2930601?
The OSG tap MPN 2930601 is a 5/16-18 UNC spiral flute tap with a H2 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. It is designed for threading blind holes and is suitable for general-purpose tapping in industrial settings.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps like the 5/16-18 UNC spiral flute tap (MPN 2930601) to customers worldwide. We handle full logistics and customs clearance, ensuring reliable delivery for your industrial threading needs across global markets.
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, which pushes chips upward. Ensure the chamfer type (modified bottoming) matches your hole depth, and verify thread class (H2 / 2B-3B) for fit. Consult OSG's technical data for material-specific speeds and feeds.
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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.















