OSG Spiral Flute Tap: 7/16"-14 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer
The OSG Spiral Flute Tap (7/16"-14 UNC, MPN 1431300) is a general-purpose spiral-flute tap with a bottoming chamfer, made from high-speed steel. It features 3 flutes and is rated H3 / 2B-3B for thread class…
SKU 3G-OTH-230768
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Product Description
The OSG Spiral Flute Tap (7/16"-14 UNC, MPN 1431300) is a general-purpose spiral-flute tap with a bottoming chamfer, made from high-speed steel. It features 3 flutes and is rated H3 / 2B-3B for thread class compatibility.
Frequently Asked Questions
What is the OSG spiral flute tap 7/16"-14 UNC used for?
This OSG spiral flute tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral flute design evacuates chips upward, making it ideal for bottoming applications where chip clearance is critical. It is commonly used in automotive, aerospace, and general manufacturing.
What are the specifications of the OSG spiral flute tap 7/16"-14 UNC?
This OSG tap has a 7/16"-14 UNC thread size, H3 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer. It is made from high-speed steel (HSS) and carries manufacturer part number 1431300. The H3 / 2B-3B designation ensures precise thread fit for general-purpose tapping.
Where to buy OSG spiral flute taps worldwide?
3G Electric supplies OSG spiral flute taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this 7/16"-14 UNC tap. We source and deliver OSG tooling to meet your production needs.
How to select the correct OSG spiral flute tap for blind holes?
For blind holes, choose a spiral flute tap with a bottoming chamfer, like this OSG 7/16"-14 UNC model. The spiral flutes push chips out of the hole, preventing clogging. Ensure the tap's thread tolerance (H3 / 2B-3B) matches your required fit class. Use appropriate cutting fluid for the workpiece material.
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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.















