Tap set details
Drillco 11/16-11 Nitro Tap Set (20N144CS)
Drillco 20N144CS 11/16-11 Nitro Tap Set – 2000N Series is a complete threading solution for machinists and technicians who require precision, strength, and versatility. This set includes taper, plug, and bottoming taps—providing flexibility for each stage of internal thread cutting. Made from high-speed steel with high carbon content and enhanced with a Nitro treatment, these tools deliver superior wear resistance and cutting performance. Whether used in machine setups or hand tapping operations, this American-made tap set ensures clean, consistent results across a broad range of materials.
Taper, plug, and bottoming geometries for maximum threading versatility
Constructed from premium high carbon content High-Speed Steel (HSS)
Ideal for tapping new threads or restoring damaged ones
Nitride coating improves surface hardness and tool life
Bright finish enhances lubricity and chip clearance
Standard square shank works with most tap wrenches and machines
All-in-one set covers full threading cycle: starting, mid-cut, and bottoming
Consistent performance across various material types
Long-lasting durability in both shop and field environments
Technical Specifications:
Thread Size: 11/16-11
Tap Type: HSS Nitro Tap Set (Taper, Plug, Bottoming)
Material: High-Speed Steel (HSS) with high carbon content
Treatment: Nitro Coated
Flute Type: Straight
Shank Type: Square
Application: Hand and machine tapping
Country of Origin: USA
Product identification
- Brand: Drillco
- Model / MPN: 20N144CS

