CLEVELAND Spiral Flute Tap: 1/2"-20 UNF, 2B, 3 Flute, Semi-Bottoming Chamfer
The CLEVELAND Spiral Flute Tap (MPN C98123) is a 1/2"-20 UNF general purpose spiral-flute tap with a 2B thread class, semi-bottoming chamfer, and black oxide cobalt finish. It features 3 flutes and is designed for…
SKU 3G-OTH-230389
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Product Description
The CLEVELAND Spiral Flute Tap (MPN C98123) is a 1/2"-20 UNF general purpose spiral-flute tap with a 2B thread class, semi-bottoming chamfer, and black oxide cobalt finish. It features 3 flutes and is designed for efficient chip evacuation in through-hole and blind-hole threading applications.
Frequently Asked Questions
What is the CLEVELAND Spiral Flute Tap C98123 used for?
The CLEVELAND C98123 spiral flute tap is used for threading blind holes in materials such as steel and stainless steel. Its spiral flute design pulls chips upward and out of the hole, making it ideal for production tapping where chip evacuation is critical. It is commonly used in automotive, aerospace, and general manufacturing applications.
What are the specifications of the CLEVELAND C98123 tap?
The CLEVELAND C98123 is a 1/2"-20 UNF spiral flute tap with a 2B thread class, 3 flutes, and a semi-bottoming chamfer. It features a black oxide cobalt finish for heat resistance and wear life. This general purpose tap is designed for threading blind holes in ferrous materials up to 850 °C hardness.
Where to buy CLEVELAND C98123 taps worldwide?
You can source the CLEVELAND C98123 spiral flute tap worldwide through 3G Electric, a global industrial equipment distributor established in 1990. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this and other CLEVELAND tooling.
How to select the right spiral flute tap for blind holes?
For blind holes, choose a spiral flute tap like the CLEVELAND C98123 with a semi-bottoming chamfer to thread close to the hole bottom. Ensure the tap size matches your thread specification (e.g., 1/2"-20 UNF) and material hardness. Use a black oxide cobalt finish for improved wear resistance in ferrous materials. Always follow manufacturer speed and feed recommendations.
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3G Electric supplies CLEVELAND general purpose spiral-flute taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















