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The PRECISION TWIST DRILL 018033 is a high-speed steel (HSS) jobber-length drill bit sized to wire gauge number 33. Built under the R18 series, it is engineered for drilling into hard surfaces where a standard carbon-steel bit would wear prematurely. The jobber-length shank provides a balance of rigidity and reach suited to most standard drill chucks and drill presses. At 0.05 pounds per unit, the bit is lightweight and easy to handle during repetitive drilling operations. Machinists, maintenance technicians, and metalworking professionals are the primary users of this type of tooling.
Wire gauge number 33 drill bits fill a precise, small-diameter role in metal fabrication, sheet metal work, electrical panel work, and light manufacturing. The HSS construction handles ferrous metals, aluminum, plastics, and similar hard materials encountered in trade and shop environments. Jobber-length geometry makes this bit compatible with benchtop drill presses, hand drills, and CNC setups where a standard-reach bit is appropriate. This size is commonly stocked by maintenance crews and machine shops that require consistent, repeatable hole sizing for fasteners and wire-routing applications.
Designed as a jobber-length HSS drill bit for use in standard three-jaw drill chucks, drill presses, and compatible CNC toolholders that accept wire gauge number 33 shank diameters.
This bit is installed by a machinist or skilled tradesperson into a properly sized drill chuck rated for the intended speed and feed. Ensure the chuck is fully tightened and the workpiece is securely clamped or fixtured before drilling. Use appropriate cutting fluid or lubricant when drilling ferrous metals to extend bit life and maintain hole quality. Inspect the cutting edges for wear regularly and replace the bit before excessive dulling causes workpiece damage or bit breakage.
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