OSG Spiral Point Tap: 3/8"-16 UNC, 3B, 3 Flute, Plug Chamfer
The OSG Spiral Point Tap (3/8"-16 UNC, MPN 2881001) is a general-purpose spiral-point tap with a 3B thread class, plug chamfer, and black oxide high-speed steel construction. It features 3 flutes for efficient chip…
SKU 3G-OTH-214448
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Product Description
The OSG Spiral Point Tap (3/8"-16 UNC, MPN 2881001) is a general-purpose spiral-point tap with a 3B thread class, plug chamfer, and black oxide high-speed steel construction. It features 3 flutes for efficient chip evacuation in through-hole threading applications.
Frequently Asked Questions
What is the OSG spiral point tap 2881001 used for?
The OSG spiral point tap 2881001 is used for threading blind or through holes in ferrous and non-ferrous materials. Its spiral point design pushes chips forward, making it ideal for production tapping in CNC and manual machines. Common applications include automotive, aerospace, and general manufacturing where 3/8"-16 UNC threads are required.
What are the specifications of the OSG 2881001 tap?
The OSG 2881001 is a 3/8"-16 UNC spiral point tap with a 3B thread class, 3 flutes, and a plug chamfer. It is made from black oxide high-speed steel for wear resistance and lubricity. The tap is designed for general-purpose threading in steel, aluminum, and cast iron, with a manufacturer part number of 2881001.
Where to buy OSG taps in worldwide?
You can source OSG taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead times on the OSG 2881001 spiral point tap and other OSG threading tools.
How to select the right OSG tap for UNC threads?
To select the right OSG tap for UNC threads, match the tap size (e.g., 3/8"-16) to your hole diameter and thread class (e.g., 3B). Choose a spiral point tap for through holes or blind holes with chip clearance. Consider material: black oxide HSS suits steel and aluminum. Always verify the chamfer type (plug, bottoming, or taper) for your application depth.
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3G Electric supplies OSG general purpose spiral-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.














