Blair 11092 Metric Rotabroach Cutter Kit 8-20mm Tools - Blair Equipment

Specifications

• Manufacturer: Blair Equipment
• Model Number: 11092
• Product Type: Metric Rotabroach Cutter Kit
• Weight: 1 lbs
• Dimensions: 7 x 4 x 2 inches
• Cutter Diameter Range: 8mm to 20mm (Metric)
• Material Thickness Capacity: Up to 1/4" (6.4mm)
• Kit Contents: Seven Rotabroach cutters (8, 10, 12, 14, 16, 18, 20mm), arbor (11122), hex wrench, center punch, and extra pilots.
• Origin: Made in USA

Key Features

• Annular Cutting Design: Features a hollow, annular design that cuts only the perimeter of the hole, resulting in less material removal compared to traditional twist drills.
• High-Speed Steel Construction: Cutters are made from M2 High-Speed Steel (HSS), contributing to durability and effective cutting performance.
• Precision Ground Teeth: Equipped with precision-ground multiple cutting teeth that facilitate clean and accurate hole creation.
• Metric Sizing: Includes a range of metric cutters from 8mm to 20mm for diverse application requirements.
• Integrated Pilot System: Utilizes spring-loaded or skip-proof pilots to assist in centering and prevent pre-drilling operations.

Applications

• Suitable for drilling precise holes in various metals, including mild steel, stainless steel, and aluminum sheet metal.
• Commonly used in automotive repair for tasks such as creating access holes for rustproofing or paintless dent repair (PDR).
• Applicable in metal fabrication shops for structural steel work, custom building, and general metalworking projects.
• Effective for creating clean holes for bolts, pipes, electrical conduits, and other components.
• Compatible with 3/8" and 1/2" hand-held drill chucks, and frequently employed with magnetic drills.

Benefits

• Efficient Hole Creation: Cuts holes up to three times faster than conventional twist drills or hole saws due to its annular cutting mechanism.
• Enhanced Tool Longevity: Engineered for extended tool life, with cutters lasting significantly longer than traditional drilling methods.
• Clean and Accurate Holes: Produces smooth, burr-free, and consistently round holes, reducing the need for secondary finishing processes.
• Reduced Material Distortion: The cutting action minimizes deformation of the surrounding material, especially in thin sheet metal.
• Lower Power Requirement: Requires less thrust and horsepower from the drilling machine compared to twist drills of similar size, leading to improved efficiency and reduced strain on equipment.