Description
Drillco 20N224CT 1-3/8-6 HSS Nitro Taper Tap is designed for precision threading applications across a wide range of materials. Engineered with a straight flute design and a durable high-speed steel body, this taper tap provides superior cutting performance, chip clearance, and longevity. The nitro (black oxide) finish enhances lubricity, reduces wear, and promotes smoother threading, making it ideal for both production and hand tapping operations.
Features:
- Taper geometry allows gradual cutting engagement for easier starting in blind or through holes.
- High carbon content HSS ensures durability and resistance to wear or chipping.
- Black oxide (nitro) finish improves lubricity and reduces galling during use.
- Straight flute design for stability and efficient chip evacuation.
- Standard square shank fits common tap wrenches for simple manual operation.
Benefits:
- Excellent for restoring damaged threads or creating new ones in a variety of materials.
- Reliable choice for general-purpose threading in machine shops and maintenance applications.
- Suitable for tapping both through and blind holes with ease.
Technical Specifications:
- Model: 20N224CT
- Thread Size: 1-3/8-6
- Type: Taper Tap
- Material: High Speed Steel (HSS)
- Finish: Nitro (Black Oxide)
- Flute Type: Straight
- Shank: Square
- Country of Origin: USA






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