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The PRECISION TWIST DRILL 010015 is a high-speed steel (HSS) jobber-series drill bit built for drilling into hard surfaces where heat and mechanical stress are constant factors. With a 15/64-inch tip diameter and a 4-inch depth of cut, this bit handles standard through-hole and deep-hole applications in metal, cast iron, and similar hard materials. The HSS construction maintains cutting edge integrity at elevated temperatures, reducing the need for frequent bit changes during production or service work. It is a go-to drill bit for machinists, pipefitters, HVAC technicians, and general trade professionals who need reliable performance in a jobber-length format.
This jobber drill bit is suited for use in both handheld drill drivers and bench-mounted drill presses across residential, commercial, and light industrial settings. The jobber-series length provides a balanced combination of reach and rigidity, making it practical for general-purpose metal drilling tasks. It is sold as a single unit with a minimum order quantity of one, making it easy to stock individually or in multiples as needed for ongoing work.
Designed as an OEM-style jobber drill bit suitable for use with standard 3-jaw drill chucks on handheld power drills and stationary drill press equipment commonly used in trade and light industrial applications.
This bit is installed and removed by a licensed or experienced tradesperson using a properly rated drill or drill press with a compatible chuck size. Secure the bit fully in the chuck before operation and confirm the workpiece is clamped or fixtured to prevent movement. Always wear appropriate eye protection when drilling metal or hard surfaces. Follow applicable OSHA and shop safety guidelines for rotating cutting tools.
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