05D409 - 1-9/16 Inch Carbide Tipped Annular Cutter 2 Inch Depth

High-Performance Carbide Annular Cutter for Hard Metals

The Walter 05D409 1-9/16" x 2" Carbide Core Cut is an industrial-grade annular cutter engineered specifically for the most demanding drilling applications. In the realm of metalworking, efficiency and precision are paramount, especially when dealing with difficult-to-machine materials. This cutter distinguishes itself by utilizing high-grade tungsten carbide inserts, which offer significantly higher hardness and heat resistance compared to traditional High-Speed Steel (HSS) or Cobalt alternatives. This metallurgical advantage allows the tool to maintain its cutting edge even when subjected to the high temperatures generated during the drilling of abrasive materials such as cast iron, stainless steel, and other tough alloys.

Beyond the material composition, the geometry of the Walter Carbide Core Cut is a result of extensive engineering. The tool features a specialized flute and body design optimized for rapid chip evacuation. In deep hole drilling—up to the 2-inch depth capacity of this unit—effective chip removal is critical to prevent binding and heat buildup. The advanced flute design ensures that swarf is ejected smoothly, allowing for higher feed rates and reduced strain on the magnetic drilling unit. This design philosophy extends to the cutter's ability to handle uneven or curved surfaces, a common challenge in structural steel and pipe fabrication, where starting a hole can often lead to wandering or tool breakage.

For industrial MRO operations, the longevity of the tooling is a key cost driver. While the initial investment in carbide tooling is higher, the cost-per-hole is often drastically lower due to the extended tool life and reduced downtime associated with bit changes. The Walter 05D409 is designed to retain its aggressiveness throughout its lifespan, ensuring consistent hole quality from the first cut to the last. This consistency reduces the need for secondary finishing operations, such as reaming or deburring, thereby streamlining the production process. It is an essential tool for fabrication shops, heavy equipment repair, and structural steelworks requiring large diameter holes in hardened substrates.