Spiral point tap details
Drillco 7/16-14 Nitro Max Spiral Point Tap (225N128C)
Drillco 225N128C 7/16-14 Nitro Max Spiral Point Tap is designed for CNC applications demanding precise, deep threading with extended reach. Manufactured to DIN/ANSI standards, this tap features a DIN length for longer reach and deeper threading in a single pass. Its Titanium Carbonitride (TiCN) coating maintains sharp cutting edges and reduces friction for improved performance and durability.
7/16-14 Nitro Max spiral point tap with extended DIN length for deep threading
TiCN coating enhances sharpness retention and reduces coefficient of friction
Constructed from premium grade high-speed steel (HSS) for durability
Available in taper, plug, and bottoming chamfer geometries for versatility
Standard square shank compatible with tap wrenches and CNC machines
Black oxide finish offers longer life compared to bright finishes
Made in the USA to ensure quality craftsmanship
Delivers consistent, efficient threading in CNC machining
Extends tool life and maintains thread quality
Reduces downtime by minimizing chip build-up and wear
Suitable for a broad range of threading applications
Technical Specifications:
Thread Size: 7/16-14
Finish: Black oxide with TiCN coating
Flute Type: Spiral Point
Material: Premium Grade High-Speed Steel (HSS)
Shank: Standard square
Chamfer Type: Taper, Plug, Bottoming
Application: CNC deep threading with extended reach
Product identification
- Brand: Drillco
- Model / MPN: 225N128C


