OSG Spiral Point Tap: #12-28 UNF, H3 / 2B-3B, 2 Flute, Plug Chamfer
The OSG Spiral Point Tap (#12-28 UNF, MPN 1214401) is a general purpose spiral-point tap with H3 / 2B-3B tolerance, 2-flute design, plug chamfer, and black oxide high-speed steel construction. 3G Electric interprets…
SKU 3G-OTH-214123
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Product Description
The OSG Spiral Point Tap (#12-28 UNF, MPN 1214401) is a general purpose spiral-point tap with H3 / 2B-3B tolerance, 2-flute design, plug chamfer, and black oxide high-speed steel construction. 3G Electric interprets this demand and sources the exact OEM-specified tool, backed by specialist expertise across 14 industrial departments — and we supply far more than is listed.
Frequently Asked Questions
What is the OSG spiral point tap #12-28 UNF used for?
The OSG spiral point tap #12-28 UNF is used for threading blind or through holes in ferrous and non-ferrous materials. Its spiral point design pushes chips forward, reducing chip clogging. Common applications include automotive, aerospace, and general manufacturing where precise UNF threads are required.
What are the specifications of the OSG tap MPN 1214401?
The OSG tap MPN 1214401 is a #12-28 UNF spiral point tap with a H3 / 2B-3B thread tolerance. It has 2 flutes, a plug chamfer, and is made from black oxide high-speed steel. This general-purpose tap is designed for threading holes in materials like steel and aluminum.
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 location. Contact us for availability and lead time on the OSG spiral point tap #12-28 UNF (MPN 1214401).
How to select the correct OSG tap for UNF threads?
To select the correct OSG tap for UNF threads, match the tap size (e.g., #12-28 UNF) to your hole diameter and thread class (e.g., 2B-3B). Consider material hardness and hole type (through or blind). OSG taps like the spiral point design are ideal for through holes, while spiral flute taps suit blind holes.
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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.















