OSG Spiral Point Tap: 1/2"-20 UNF, H2 / 2B-3B, 3 Flute, Plug Chamfer
The OSG Spiral Point Tap (1/2"-20 UNF) is a general-purpose spiral-point tap with a TiCN-coated high-speed steel construction, featuring a plug chamfer and 3 flutes. It is rated H2 / 2B-3B (MPN 1227608).
SKU 3G-OTH-215462
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Product Description
The OSG Spiral Point Tap (1/2"-20 UNF) is a general-purpose spiral-point tap with a TiCN-coated high-speed steel construction, featuring a plug chamfer and 3 flutes. It is rated H2 / 2B-3B (MPN 1227608).
Frequently Asked Questions
What is the OSG spiral point tap 1/2-20 UNF used for?
This OSG spiral point tap is designed for threading blind or through holes in metal. Its TiCN coating and H2 / 2B-3B tolerance suit general-purpose tapping in steel, stainless steel, and cast iron. The plug chamfer and 3-flute design help push chips forward, reducing clogging in production environments.
What are the specifications of the OSG 1227608 tap?
The OSG 1227608 is a 1/2-20 UNF spiral point tap with a H2 / 2B-3B thread tolerance. It has 3 flutes, a plug chamfer, and is made from TiCN-coated high-speed steel. This combination provides wear resistance and consistent thread quality in ferrous materials.
Where to buy OSG taps in worldwide?
3G Electric supplies OSG taps worldwide, including the 1227608 model. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this and other OSG threading tools.
How to select the right OSG tap for a threading application?
Match the tap size and thread pitch to your hole dimensions. For blind holes, use spiral point taps like this OSG model to push chips forward. Consider coating—TiCN works well on steel. The H2 / 2B-3B tolerance ensures fit for standard class 2B threads. Always verify material hardness before selecting tap geometry.
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Common applications for OSGOSG Products
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.















