Description
Drillco 20N216FS 1-1/4-12 HSS Nitro Tap Set is an industrial-grade set of straight flute taps designed to deliver exceptional threading performance in a broad range of materials. Each set includes taper, plug, and bottoming taps—providing the flexibility to start, continue, and finish internal threading with precision. Made from high-speed steel and finished with a nitro (black oxide) coating, these taps offer durability, chip resistance, and enhanced cutting performance for both manual and machine tapping tasks.
Features:
- Includes taper, plug, and bottoming taps to cover all stages of internal threading.
- High-speed steel (HSS) construction offers excellent wear resistance and long tool life.
- Nitro (black oxide) finish increases lubricity and reduces galling during threading.
- Straight flute design allows reliable chip evacuation and stability during cutting.
- Standard square shank compatible with common tap wrenches and tool holders.
Benefits:
- Versatile tap set supports a complete threading process—from start to finish.
- Ideal for general-purpose tapping applications in a variety of material groups.
- Suitable for use in both manual operations and production environments.
Technical Specifications:
- Model: 20N216FS
- Thread Size: 1-1/4-12
- Type: Tap Set (Taper, Plug, Bottoming)
- Material: High Speed Steel (HSS)
- Finish: Nitro (Black Oxide)
- Flute Type: Straight
- Shank: Square
- Country of Origin: USA





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