Hertel K027709AS Straight Flute Tap M2x0.40 Metric Coarse

Product Description

The HERTEL K027709AS is a straight flute tap designed to cut M2x0.40 metric coarse internal threads in a wide range of materials. It features a plug chamfer style, which provides gradual thread engagement and is suited for through-hole tapping applications. Manufactured from high-speed steel with a bright uncoated finish, this tap delivers consistent cutting performance in ferrous and non-ferrous metals. With 3 flutes and a 6H class of fit with a D3 thread limit, it produces threads to standard metric tolerances. Overall length is 1.75 inches. Right-hand thread direction is standard. This tool is used by machinists and tool-and-die professionals in production and maintenance tapping operations.

The K027709AS is suited for through-hole tapping in small-diameter metric applications, particularly where M2x0.40 thread forms are required. Typical use cases include tapping threaded holes in instrument housings, small mechanical assemblies, electronics enclosures, and precision fixtures. The plug chamfer makes it appropriate for through holes where the tap can extend beyond the workpiece. It is sold individually and is compatible with standard tap wrenches and tapping attachments that accept the appropriate shank size.

Key Features

• M2x0.40 metric coarse thread form for standardized metric fastener compatibility
• Plug chamfer style for gradual thread engagement in through-hole applications
• 3 straight flutes for chip clearance in softer to medium-hardness materials
• 6H class of fit with D3 thread limit for standard metric thread tolerances
• High-speed steel construction for durability in general-purpose tapping
• Bright uncoated finish suitable for use with cutting fluid in a variety of materials

Compatibility

Designed for use in through-hole tapping operations requiring M2x0.40 metric coarse internal threads. Compatible with standard tap wrenches and machine tapping attachments sized for small-diameter taps.

Installation Notes

This tap should be installed and used by qualified machinists or tooling professionals. Always ensure the workpiece is securely clamped before tapping. Apply appropriate cutting fluid to extend tool life and improve thread quality. Use a properly aligned tap holder to prevent tap breakage, particularly at this small diameter.