05F240 - Walter 40mm Carbide Tipped Annular Cutter 55mm Depth

Precision Engineering for Tough Materials

The Walter Carbide Core Cut annular cutter (SKU: 05F240) represents the pinnacle of drilling technology for industrial applications requiring large diameter holes in challenging materials. Engineered with premium tungsten carbide tips, this 40mm diameter cutter is specifically designed to overcome the limitations of traditional High-Speed Steel (HSS) bits. When facing materials with high tensile strength, such as stainless steel, cast iron, or abrasive composite materials, standard cutters often overheat or dull rapidly. The Carbide Core Cut series addresses this by maintaining hardness at high temperatures, allowing for significantly faster rotational speeds and heavier feed rates without compromising tool life.

The geometry of the 05F240 is optimized for chip clearance. Deep, scientifically designed flutes ensure that swarf is evacuated efficiently from the 55mm deep cut zone, preventing clogging and heat buildup that can lead to work hardening of the material. This is particularly critical when drilling deep holes in stainless steel, where heat management is paramount to maintaining the integrity of both the tool and the workpiece. The cutter's robust body design also provides the rigidity necessary to drill into uneven or curved surfaces without wandering, ensuring precise, round holes every time.

For MRO professionals and machinists, the consistency provided by Walter's manufacturing process means predictable performance. Whether used in a workshop environment or on-site with portable magnetic drilling units, this cutter delivers a superior surface finish that often eliminates the need for secondary reaming or deburring operations. By focusing on the core cutting action—removing only the periphery of the hole and ejecting a solid slug—the energy requirement is drastically reduced compared to twist drills, enabling larger holes to be drilled with less powerful machinery.

Investing in the Walter Carbide Core Cut is an investment in efficiency. The extended lifespan of the carbide inserts reduces the frequency of tool changes, thereby minimizing downtime and increasing overall throughput in production environments. It is the ideal solution for heavy-duty fabrication, structural steelwork, and maintenance tasks where reliability and speed are non-negotiable.