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The PRECISION TWIST DRILL 015002 is a high-speed steel (HSS) jobber-series drill bit designed for drilling into hard surfaces where heat and mechanical stress are constant concerns. With a tip diameter of 0.2380 inches and a depth of cut of 4 inches, this bit handles the reach and precision required in metalworking and general trade applications. The black oxide finish helps resist corrosion and reduces friction during drilling. Licensed trades and skilled mechanics working with ferrous metals, structural steel, or hard alloys will find this bit suited to their day-to-day drilling tasks.
This HSS jobber drill bit is appropriate for use in metal fabrication shops, mechanical contracting, HVAC equipment assembly, and general industrial maintenance. The jobber-length format provides a balanced combination of reach and rigidity, making it a practical choice for handheld drills and drill presses alike. It is sold as a single unit and is suited for repeated use in production or service environments where consistent hole quality matters.
Designed as a standard jobber-length HSS drill bit compatible with 3-jaw chucks and keyed drill press chucks accepting the corresponding shank diameter.
This bit is installed by a machinist, HVAC technician, plumber, or mechanical contractor using a handheld drill or bench-mounted drill press. Secure the workpiece before drilling and confirm chuck tightness before operation. Use appropriate cutting fluid when drilling ferrous metals to extend bit life and maintain hole quality. Inspect the cutting edges for wear regularly and replace the bit if the tip shows signs of dulling or heat damage.
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