OSG Straight Flute Tap: 7/16"-14 UNC, 2B+, 4 Flute, Plug Chamfer
The OSG Straight Flute Tap (7/16"-14 UNC, MPN 1591900) is an oversized hand tap with a 2B+ tolerance, plug chamfer, and 4-flute design in high-speed steel. 3G Electric interprets your demand for this precision…
SKU 3G-OTH-272752
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Product Description
The OSG Straight Flute Tap (7/16"-14 UNC, MPN 1591900) is an oversized hand tap with a 2B+ tolerance, plug chamfer, and 4-flute design in high-speed steel. 3G Electric interprets your demand for this precision threading tool, sourcing it across 14 industrial departments — with specialist depth in combustion, pumps, and controls as a trust anchor — and supports your application with accountable sourcing and technical guidance.
Frequently Asked Questions
What is the OSG Straight Flute Tap 7/16"-14 UNC used for?
This OSG tap is used for cutting internal threads in metal components. It is designed for through-hole threading with a plug chamfer and four flutes for efficient chip evacuation. Common applications include automotive, aerospace, and general manufacturing where precise UNC threads are required.
What are the specifications of the OSG Straight Flute Tap 7/16"-14 UNC?
This tap has a 7/16"-14 UNC thread size, 2B+ class of fit, plug chamfer, and four flutes. It is made from high-speed steel (HSS) and is an oversized hand tap. The manufacturer part number is 1591900. OSG is the OEM brand for this tool.
Where to buy the OSG Straight Flute Tap 7/16"-14 UNC worldwide?
You can source this OSG tap 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; we source and deliver this item to your location.
How to select the correct OSG Straight Flute Tap for a job?
Select based on thread size, pitch, and material. For 7/16"-14 UNC threads in steel, use a plug chamfer tap for through holes. Ensure the tap matches the required class of fit (2B+). Use proper cutting fluid and align the tap perpendicular to the workpiece to avoid breakage.
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Common applications for OSGOSG Products
3G Electric supplies OSG oversized hand taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















