05E106 - Walter Corecut 1-3/8 Inch SST Annular Cutter with Universal Shank

Technical Overview of the Walter 05E106 Corecut Cutter

The Walter 05E106 is a high-performance annular cutter from the Corecut series, specifically engineered for heavy-duty industrial drilling applications. This tool features a cutting diameter of 1-3/8 inches and a maximum cutting depth of 1 inch, making it suitable for penetrating plate steel, structural beams, and pipe walls. The defining characteristic of this specific model is its "SST" designation, indicating a specialized geometry and metallurgical composition designed to machine stainless steel and other high-tensile alloys effectively.

Unlike standard high-speed steel (HSS) cutters that may dull rapidly when encountering the work-hardening surface of stainless steel, the Walter Corecut SST utilizes a proprietary tooth geometry. This design promotes efficient chip evacuation and reduces friction at the cutting interface, thereby minimizing heat generation—a critical factor in maintaining tool hardness and longevity. The cutter removes material only at the periphery of the hole, ejecting a solid slug upon completion. This method requires significantly less torque and thrust compared to solid twist drills, reducing wear on the magnetic drilling unit's motor and gearbox.

The 05E106 is equipped with a Universal Shank. This shank design incorporates multiple flats and grooves, allowing compatibility with a wide array of magnetic drill arbors, including the standard 3/4" Weldon shank (two flats) and quick-connect systems like Nitto Kohki (One-Touch). This universality simplifies inventory management for tool cribs servicing diverse equipment fleets. The cutter is manufactured with precision-ground flutes that ensure hole accuracy and surface finish, often eliminating the need for secondary reaming or deburring operations.

Operators should utilize this cutter with appropriate coolant or cutting lubricant, particularly when drilling stainless steel, to maximize performance. The robust construction of the Corecut series ensures stability under load, reducing the risk of chatter and breakage during the breakthrough phase of the drilling cycle.