OSG Spiral Point Tap: #12-28 UNF, H3 / 2B-3B, 2 Flute, Bottoming Chamfer
The OSG Spiral Point Tap (#12-28 UNF, MPN 1214500) is a general purpose spiral-point tap with a bottoming chamfer, made from high-speed steel. It features 2 flutes and is ground to an H3 / 2B-3B tolerance class…
SKU 3G-OTH-214384
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Product Description
The OSG Spiral Point Tap (#12-28 UNF, MPN 1214500) is a general purpose spiral-point tap with a bottoming chamfer, made from high-speed steel. It features 2 flutes and is ground to an H3 / 2B-3B tolerance class, suitable for threading applications requiring precise fit.
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 metal components. Its spiral-point design pushes chips forward, making it ideal for high-speed production tapping in automotive, aerospace, and general manufacturing applications.
What are the specifications of the OSG Spiral Point Tap #12-28 UNF?
This OSG tap has a #12-28 UNF thread size, H3 / 2B-3B tolerance, 2 flutes, and a bottoming chamfer. It is made from high-speed steel (HSS) and is designed for general-purpose tapping. The manufacturer part number is 1214500.
Where to buy the OSG Spiral Point Tap #12-28 UNF worldwide?
You can source the OSG Spiral Point Tap #12-28 UNF worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location, ensuring a smooth procurement process for this OSG tap.
How to select the correct OSG Spiral Point Tap for a job?
To select the correct OSG spiral point tap, match the thread size (e.g., #12-28 UNF), tolerance class (H3 / 2B-3B), and chamfer type (bottoming for blind holes) to your workpiece material and hole depth. For high-speed steel taps, ensure proper lubrication and cutting speed for optimal thread quality.
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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.















