Hertel K020075AS25 Spiral Point Tap M2.5 X 0.45 Tin

Product Description

The HERTEL K020075AS25 is a spiral point tap designed for threading M2.5 x 0.45 metric coarse threads in through-hole applications. Built from high speed steel with a titanium nitride (TiN) coating, this tap delivers improved wear resistance and longer tool life compared to uncoated HSS options. The two-flute spiral point design pushes chips forward ahead of the cutting zone, reducing the risk of chip packing in the hole. With a thread length of 0.5 inches and a shank diameter of 0.141 inches, it is sized for small-hole threading operations. Machinists, toolroom technicians, and maintenance mechanics use this tap in CNC machines, drill presses, and hand tapping setups.

This tap is suited for metric coarse through-hole threading in ferrous and non-ferrous materials where chip evacuation forward through the hole is practical. The plug chamfer, typically 3-5 threads, allows the tap to start easily and thread close to the bottom of through holes. Right-hand thread direction conforms to standard metric fastener specifications. The TiN finish adds lubricity that benefits higher-speed tapping operations common in production environments.

Key Features

• M2.5 x 0.45 metric coarse thread specification for standard metric fastener compatibility
• Spiral point geometry pushes chips forward, improving chip clearance in through holes
• TiN coating improves surface hardness and reduces friction during cutting
• High speed steel construction provides toughness across a range of workpiece materials
• Plug chamfer for easy thread start in through-hole applications
• Right-hand thread direction, D1 thread limit for controlled fit tolerance

Compatibility

Designed as a standard M2.5 x 0.45 metric coarse spiral point tap suitable for use in manual tapping handles, CNC tapping heads, and drill press setups configured for small-diameter metric threading.

Installation Notes

This tap is installed by machinists and maintenance technicians using standard tapping equipment. Ensure the workpiece is securely fixtured and the tap is aligned perpendicular to the hole before beginning. Always apply appropriate cutting fluid for the workpiece material to reduce heat and extend tool life. Back the tap out periodically during hand tapping to break and clear chips, even with a spiral point design.