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The PRECISION TWIST DRILL 1010306 is a spiral point machine tap in the 1585 series, designed for cutting internal threads in through-hole applications. It features a plug chamfer entry and a 2.5 inch depth of cut, making it suited for moderate-depth threading operations in production and maintenance environments. The relieved style reduces friction along the flute length, helping maintain thread quality and extending tool life in repetitive tapping cycles. Machinists, pipefitters, and maintenance technicians working with drill presses, CNC machines, or hand tappers will find this tap appropriate for standard threading tasks.
This tap is built for use in through-hole threading applications where a plug chamfer start is preferred over a taper or bottoming entry. The spiral point geometry pushes chips ahead of the tap rather than packing them into the flute, which is an advantage in continuous production runs and when tapping with coolant. It is appropriate for use in metals and other materials commonly encountered in industrial maintenance, fabrication, and mechanical contracting work. The 1585 series designation identifies it within PRECISION TWIST DRILL's line of spiral point machine taps.
Designed as a general-purpose spiral point plug tap for through-hole threading applications in production and maintenance settings. Refer to threading specifications and machine compatibility data to confirm fitment for your specific application.
This tap is installed by machinists and maintenance technicians using drill presses, tapping machines, or CNC equipment with appropriate chuck or holder tooling. Ensure the workpiece is securely fixtured and the tap is properly aligned to the pilot hole before beginning the threading cycle. Apply cutting fluid appropriate for the workpiece material to reduce heat and improve thread finish. Inspect the tap for wear or damage before each use and replace if chipping or thread deformation is observed.
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