1-1/16" Diam, 3/4" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore MPN:251034

This counterbore drill bit measures at a diameter of 1-1/16 inches with a 3/4 inch shank making it suitable for creating pilot holes when boring through various materials such as plastics, wood or soft metals with precision. Designed with three flutes to reduce heat buildup while cutting, it prevents damage or marring of the surface being worked on, resulting in smooth and clean holes every time. Its straight shank allows for easy compatibility with most standard power drills providing versatility across different applications, whilst the interchangeable pilots provide accurate depth adjustments suitable for a range of material thicknesses catering to industry-specific counterboring projects such as automotive, aviation and marine repairs where precision matters most.