Plug n tap details
Drillco 7/8-9 Nitro Plug Tap (20N156CP)
Drillco 20N156CP 7/8-9 Nitro Plug Tap – 2000N Series is designed for efficient mid-depth thread tapping, offering a balanced chamfer that makes it ideal for through holes and blind holes with ample clearance. Crafted from high carbon content High-Speed Steel (HSS) and Nitro-treated for improved durability, this plug tap delivers smooth, accurate threading across a variety of materials. Its bright finish enhances chip flow and reduces friction, making it perfect for production or maintenance work. Made in the USA, it combines reliability, precision, and long-lasting performance.
Plug geometry provides a balanced start and threading depth
High carbon HSS construction ensures strength and toughness
Nitride-coated surface increases hardness and wear resistance
Bright finish improves lubricity and chip evacuation
Square shank fits standard tap wrenches and machines
Ideal for general-purpose threading in blind and through holes
Reduces the risk of chip buildup and tap breakage
Durable enough for frequent use in shop or field conditions
Technical Specifications:
Thread Size: 7/8-9
Tap Type: Plug Tap
Material: High-Speed Steel (HSS)
Treatment: Nitro Coated
Flute Type: Straight
Shank Type: Square
Application: Hand and machine tapping
Country of Origin: USA
Product identification
- Brand: Drillco
- Model / MPN: 20N156CP
