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Twist drill bit Irwin 10502205, Ø 2.5 mm, 1 pc
Irwin Twist drill bit 10502205, Ø 2.5 mm is a single high-precision twist drill designed for general-purpose drilling in metal, sheet metal, wood and plastic. With a 2.5 mm diameter and an overall length of 57 mm, this cylindrical-shank drill bit is intended for use with standard drills in workshop, repair and assembly tasks that require small, accurate holes. The bit features a conventional spiral geometry that enables controlled chip evacuation and stable drilling action across a range of common materials.
The drill bit offers reliable dimensional accuracy and a robust spiral profile for consistent performance during repeated drilling operations. Its cylindrical shank ensures secure mounting in drill chucks and compatibility with a wide variety of handheld and bench drills. Designed for multi-material use, the bit delivers effective cutting in sheet metal, general metalwork, wood and plastics when used with appropriate speed and feed.
Mount the drill bit securely in a drill chuck and set the drill to an appropriate speed for the material being drilled. For sheet metal and thin metals use higher speeds with light pressure; for wood and plastics use moderate speeds and steady feed to avoid splintering. Keep the drill perpendicular to the workpiece for accurate hole placement and withdraw periodically to clear chips when drilling deeper holes. Use steady, even pressure rather than forcing the bit.
When drilling stainless steel or other hard alloys, use cutting fluid or coolant and reduce speed to extend tool life; for general sheet metal work the bit performs well at higher speeds. Consider HSS cobalt-grade bits for extended life on stainless or high-strength alloys. Always wear appropriate eye protection and follow machine safety guidelines.
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