05E009 - Walter SST Corecut 9/16-Inch x 1-Inch Universal Shank Annular Cutter

High-Performance Drilling with Walter SST Corecut

The Walter 05E009 SST Corecut Annular Cutter represents the pinnacle of hole-making technology for industrial applications. Engineered by Walter Surface Technologies, this 9/16-inch diameter cutter is designed to handle the most demanding drilling tasks with precision and efficiency. The "SST" designation stands for Super Speed Technology, a proprietary hardening and treatment process that grants the cutter exceptional resistance to heat and wear. This makes it an ideal choice for fabrication shops and maintenance departments that frequently work with tough materials like stainless steel, as well as standard mild steel.

One of the standout features of this model is its Universal Shank. In a mixed-fleet environment where various brands of magnetic drills are utilized—such as Hougen, Jancy, Alfra, or Nitto—the Walter SST Corecut simplifies inventory management. The shank geometry is engineered to lock securely into the arbors of almost all major magnetic drill brands, ensuring a rigid connection that minimizes runout and maximizes energy transfer. This rigidity is crucial for maintaining hole accuracy and preventing tool breakage during heavy feed rates.

Unlike traditional twist drills that must convert the entire area of the hole into chips, this annular cutter only removes the periphery of the hole, ejecting the center as a solid slug. This method requires significantly less horsepower and thrust, allowing for faster penetration rates and less operator fatigue. The 1-inch depth of cut capacity makes it suitable for drilling through standard plate, pipe walls, and structural beams. The geometry of the teeth is optimized to reduce vibration and chatter, leaving a burr-free finish that typically requires no secondary reaming or deburring operations. For industrial professionals seeking reliability and speed, the Walter 05E009 is a proven solution.

Key Technical Benefits:

• Material Versatility: Specifically hardened to perform in both ferrous and non-ferrous metals, excelling in stainless steel where other cutters fail.


• Efficiency: Removes less material than solid drill bits, resulting in faster cycle times and reduced machine wear.


• Precision: Delivers reamer-quality holes with tight tolerances, essential for bolted connections in structural steel.