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The VALUE COLLECTION JY9036823 is a straight flute tap designed for cutting M20x2 metric fine internal threads in ferrous and non-ferrous metals. Built from high-speed steel (HSS) with a bright, uncoated finish, it delivers reliable thread-cutting performance in general machining applications. The bottoming chamfer style allows threading close to the bottom of a blind hole, making it well suited for tight-tolerance work. With 4 flutes and a right-hand thread direction, this tap provides chip clearance and consistent thread form. Overall length is 4-15/32 inches, and the thread length is 2 inches. It carries a D6 thread limit for standard tolerance fits.
This tap is used in machine shops, maintenance and repair operations, and production environments where metric fine threads are required. Bottoming chamfer taps are typically the final tap run in a blind hole sequence after a taper or plug tap has established the thread. Applications include threading holes in steel, cast iron, aluminum, and similar materials where an M20x2 thread specification is called out. Machinists, toolmakers, and MRO technicians are the primary users.
Designed for cutting M20x2 metric fine internal threads. Suitable for use in manual tap handles, tapping attachments, and CNC rigid tapping setups that accept the appropriate tap shank size. Verify shank dimensions against your holder before use.
This tap is installed by machinists or toolmakers in a drill press, machining center, or hand tapping setup. Ensure the pilot hole is drilled to the correct tap drill diameter for M20x2 before tapping. Apply an appropriate cutting fluid for the workpiece material to extend tap life and improve thread finish. As a bottoming tap, use it after a taper or plug tap has already established the thread in a blind hole to avoid excessive torque and breakage.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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