05E307 - Walter SST Corecut 7/16-Inch x 2-Inch HSS Annular Cutter with Universal Shank

Precision Drilling with Walter SST Corecut Technology

The Walter 05E307 SST Corecut Annular Cutter represents a pinnacle in hole-making technology for industrial applications. Engineered by Walter Surface Technologies, this 7/16-inch diameter cutter is designed to meet the rigorous demands of modern metal fabrication. The 'SST' designation highlights its specialized High Speed Steel formulation, which is treated to withstand the high temperatures and abrasive forces generated when machining tough materials such as stainless steel and structural steel. Unlike traditional twist drills that must convert the entire area of the hole into chips, this annular cutter removes only the periphery of the hole, ejecting the center as a solid slug. This process is significantly more energy-efficient, requiring less torque and thrust from the magnetic drilling unit.

With a 2-inch depth of cut, this tool is perfectly suited for drilling through thick plate, pipe, and structural beams. The geometry of the cutting teeth is precision-ground to ensure rapid chip evacuation, preventing heat buildup that can work-harden the material or damage the cutter. The universal shank is a critical feature for MRO environments, as it ensures compatibility with a wide array of magnetic drill presses, including those utilizing Weldon or Nitto style chucks. This versatility reduces inventory requirements and ensures that the tool is ready for use on whatever equipment is available on the shop floor.

Durability is central to the design of the 05E307. The HSS material is resistant to shock and vibration, making it a reliable choice for on-site repairs and heavy-duty manufacturing. By distributing the cutting load across multiple teeth, the tool maintains its edge longer than conventional bits, reducing downtime associated with tool changes and resharpening. For operations requiring precise, burr-free holes in heavy-gauge metals, the Walter SST Corecut offers a solution that balances speed, accuracy, and tool longevity.