Achieve industrial grade precision in your maintenance tasks with the Heavy Duty Cobalt Multi Material Eccentric Drill Bit. Constructed with a High Performance Alloy Steel Shield and a specialized four blade serrated frame, this bit is designed to provide a definitive balance of high speed penetration and clean hole finishing. Featuring a specialized Eccentric Overlord Interface, it serves as the definitive choice for technicians and hobbyists who require a high performance solution for drilling through ceramic, glass, marble, concrete, and stainless steel.Perfect ForMulti Material Surface Mapping: Specifically intended for diverse substrates via specialized cross head geometries that provide a high performance secure zone for tile, brick, and stone.Dry Mold and Ceramic Utility: The choice for delicate installations specifically intended to provide a high performance, anti cracking secure zone for glass and marble.Stainless Steel and Hard Metal Integration: Developed with a specialized cobalt tipped exterior specifically intended to allow for high grade heat resistance and durability in tough metals.Motorcycle and Mechanical Repair Security: Providing a high performance solution for hardware maintenance specifically intended to provide structural support for removing stubborn bolts or drilling new mounts.Universal Tool Maintenance Integration: Utilized as a specialized administrative hardware set specifically intended for maintaining high standards of drilling efficiency across electric and impact drills.Why Choose This ProductEnhanced Cobalt Alloy Interface: Featuring specialized wear resistant technology specifically intended to provide high grade longevity compared to standard carbon steel bits.Four Blade Serrated Build: Utilizing specialized eccentric geometries specifically designed to ensure high speed debris removal and reduced friction.Precision Hexagonal Shank Geometry: Providing a specialized non slip system specifically intended to ensure structural versatility and stable power transmission in high torque drills.Comprehensive Multi Size Specification Frame: Offering a refined collection of diameters specifically intended to provide structural versatility for varied technical requirements.Enhanced Low Friction Construction Frame: Offering specialized polished blue coating geometries specifically intended to provide structural versatility and improved heat dissipation.Size SpecificationsTo assist with your technical planning, dimensions are provided in both metric and imperial units for a precise fit:Size (Metric)Total Length (mm)Imperial EquivalentShank Type6 mm~100 mm~14 in6.35 mm Hex8 mm~110 mm~516 in6.35 mm Hex10 mm~120 mm~38 in6.35 mm Hex12 mm~120 mm~12 in6.35 mm HexProduct SpecificationsFeatureSpecificationMaterial ConstructionProduct CategoryEccentric Overlord Drill BitHigh Grade Alloy SteelBlade LogicFour Blade Serrated CrossCobalt Tipped CoreColor SystemBlue Polished FinishReliable Daily PerformancePrimary UtilityTile Glass Metal ConcreteDurable Impact Resistant Structure