Norseman Drill and Tool Type 20-AGN Metric HSS Spiral Point Plug Taps

Norseman Type 20-AGN Metric Spiral Point Taps

High-Performance Tapping with Titanium Nitride Coating

The Norseman Drill and Tool Type 20-AGN Metric Spiral Point Tap is engineered for superior performance in high-production and precision threading operations. Made from premium high-speed steel (HSS) and coated with Titanium Nitride (TiN), these taps offer exceptional durability, reduced friction, and extended tool life.

Ideal for machine tapping through-holes in a variety of materials—including carbon steels, alloy steels, stainless steel, and harder metals—these taps are designed for metric threading applications across industrial, automotive, and manufacturing sectors.


Titanium Nitride (TiN) Coating for Maximum Wear Resistance

Surface Hardness and Lubricity in One

The TiN coating on the 20-AGN series significantly improves surface hardness while delivering outstanding lubricity. This enables smoother chip flow, less tool wear, and higher cutting speeds—even in difficult materials.

  • Increases surface hardness for longer tool life

  • Minimizes heat buildup and galling during operation

  • Provides consistent performance in high-speed tapping environments


Spiral Point Geometry for Efficient Chip Removal

Designed for Through-Hole Tapping

The spiral point (also known as “gun tap”) pushes chips forward, making it ideal for through-hole applications and high-volume CNC machining. This design reduces torque load and improves thread finish.

  • Promotes fast, clean threading

  • Reduces risk of tap breakage

  • Ideal for automated or manual production lines


Metric Precision. American Quality.

Proudly Made in the USA, Norseman’s Type 20-AGN taps meet global standards for metric threading while offering American-made reliability and precision.

For long-lasting performance in demanding metric tapping tasks, choose Norseman Type 20-AGN Spiral Point Taps with Titanium Nitride coating.

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