OSG Spiral Point Tap: 5/16"-18 UNC, 2B+, 2 Flute, Plug Chamfer
The OSG Spiral Point Tap (5/16"-18 UNC, MPN 1590801) is an oversized spiral-point tap with a 2B+ thread class, 2-flute design, plug chamfer, and black oxide high-speed steel construction. 3G Electric interprets this…
SKU 3G-OTH-251149
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Product Description
The OSG Spiral Point Tap (5/16"-18 UNC, MPN 1590801) is an oversized spiral-point tap with a 2B+ thread class, 2-flute design, plug chamfer, and black oxide high-speed steel construction. 3G Electric interprets this demand and sources the genuine OSG tap, supporting your threading operations across 14 industrial departments with specialist depth in cutting tools and controls.
Frequently Asked Questions
What is the OSG Spiral Point Tap 1590801 used for?
The OSG Spiral Point Tap 1590801 is used for threading blind or through holes in ferrous materials. Its spiral-point design pushes chips ahead, reducing clogging. Common applications include automotive, aerospace, and general manufacturing where precise UNC threads are required.
What are the specifications of the OSG Spiral Point Tap 1590801?
This OSG tap has a 5/16"-18 UNC thread size, 2B+ tolerance class, 2 flutes, plug chamfer, and black oxide high-speed steel construction. The manufacturer part number is 1590801. It is an oversized spiral-point tap designed for improved thread fit in demanding materials.
Where to buy the OSG Spiral Point Tap 1590801 worldwide?
You can source the OSG Spiral Point Tap 1590801 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 on this item.
How to select the correct OSG Spiral Point Tap for my application?
Select based on thread size, material, and hole type. For through holes, spiral-point taps like this OSG 1590801 push chips forward. Match the UNC size (5/16"-18) and tolerance (2B+) to your workpiece. Use black oxide HSS for general steel applications. Consult OSG's technical data for specific material recommendations.
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3G Electric supplies OSG oversized spiral-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















