Kennametal 6370986 Carbide Tip Drill 7.5mm KCMS15 Altin

Product Description

The KENNAMETAL 6370986 is a carbide replaceable tip drill designed for precision hole-making in stainless steel and other demanding workpiece materials. It carries the ISO designation KTFST07500HPLM and is graded KCMS15 with a fine-grain solid carbide tip. The drill features a 7.5mm (0.2953 inch) cutting diameter, a 140-degree drill point angle, and an AlTiN coating applied via PVD process for heat resistance and extended tool life. Through-coolant capability is built in, supporting chip evacuation and thermal management during deep or interrupted cuts. This tool is installed and used by machinists and CNC operators in production and job-shop environments.

This replaceable tip drill is suited for drilling operations in stainless steel (ISO material group M) where heat buildup and work hardening are primary concerns. The HPL insert geometry and regular helical flute design support clean entry and exit. Documented application suitability includes inclined exit drilling and stacked plate drilling, making it a practical choice for fixtures and structural components. The clamp-held tip seats into an E-size insert seat on the KTFST-series body.

Key Features

• Solid carbide tip, KCMS15 fine-grain grade with PVD AlTiN coating for wear and heat resistance
• 7.5mm cutting diameter with 140-degree standard drill point angle
• Through-coolant channels for active chip flushing and thermal control
• 2-flute, 2-margin helical configuration for stable, accurate hole geometry
• Rated for inclined exit and stacked plate drilling applications
• Replaceable tip design reduces tooling cost versus solid drill replacement

Compatibility

Designed for use with KTFST-series replaceable tip drill bodies accepting an E-size insert seat. Primary workpiece material is stainless steel (ISO code M).

Installation Notes

Installation and indexing of the replaceable tip should be performed by a qualified machinist following the toolholder manufacturer's clamping procedure. Ensure the machine spindle is fully stopped and the tool is secured in a properly sized collet or chuck before indexing the tip. Verify through-coolant passages are clear and coolant pressure is within the machine and tooling specifications before initiating a cut. Do not exceed the recommended cutting parameters for the KCMS15 grade on the target workpiece material.