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The EAGLE CUTTING TOOL TAC40-031-I is a 31/64 inch high-speed steel (HSS) jobber-length drill bit designed for general-purpose drilling in metal, wood, and plastic. Jobber-length geometry provides the standard flute-to-shank ratio that most drill chucks and drill presses are set up to accept. HSS construction handles the heat and wear demands of everyday production drilling without fracturing under normal feed pressure. This bit is suited for machinists, pipefitters, electricians, and maintenance technicians who need a reliable twist drill for hole-making in a range of materials.
The TAC40-031-I is appropriate for use in hand drills, drill presses, and CNC drilling operations where a standard jobber-length bit is specified. At 31/64 inch diameter, it is commonly used for bolt clearance holes, pilot holes before tapping, and general fabrication work in light industrial and field service environments. It is sold individually, making it a practical replacement when a single size needs to be restocked.
Designed as a standard jobber-length twist drill bit compatible with any drill chuck or drill press accepting 31/64 inch round-shank tooling.
Installation is performed by machinists or trade technicians familiar with rotary cutting tools. Secure the shank fully in the chuck and verify runout before drilling. Always wear eye protection and secure the workpiece before applying feed pressure. Cutting speed and feed rate should be selected based on the workpiece material to prevent overheating and premature bit wear.
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