Quickly cut internal threads without stopping your Morse taper drill press or manual mill. These tapping heads reverse twice as fast as they cut, so you can move to your next hole faster. When you lift the quill, they automatically back the tap out, which also helps reduce wear on your machine and taps. A cone clutch system with a tactile stop lets you feel when the tap reaches the bottom of the hole, preventing your taps from breaking in blind holes. These tapping heads are set up for right-hand tapping but can be reconfigured for left-hand tapping. Add a stop bar to your setup if you can’t brace the stop arm on your machine.

Choose your tapping head based on your tap size and maximum speed. For small holes and soft material, select a head that runs at higher speeds. For large holes and hard material, select a head with a larger tap size since they generate greater torque.

Collets (sold separately) are required to connect your tap to these tapping heads.

For clean, consistent threads as your tap backs out of a hole, these bars brace your tapping head's stop arm so it can't spin freely. Mount them to your machine’s quill or to a T-slot table. Keep in mind, your setup should be strong enough to handle your tapping head's maximum rated torque.

Quill mount bars clamp tightly around your spindle sleeve or quill.

T-slot mount bars use your machine table's slots as a rigid base. If the included nut doesn’t fit the slots in your table, choose from our other T-slot nuts.

Secure taps in auto-reversing tapping heads with these collets. They hold inch and metric taps with shanks that meet ANSI standards.

Collets for Procunier tapping heads fit a single shank diameter.

Hold square-shank taps in ER collet chucks and tap holders to create internal threads in workpieces. To hold taps tightly in place, these collets have spring slots that grip the round part of the shank and a square opening in the base that mates with the square end. They meet DIN and ISO dimensional standards.

These collets hold inch and metric taps that have shanks that meet ANSI standards. They will not work with taps that have shanks sized to ISO, DIN, or JIS standards.

52100 alloy steel collets are made from the same tough material used to make bearings. They’re more wear-resistant than basic spring steel collets.

Chrome-moly steel collets are more wear-resistant than 52100 alloy steel collets. They hold their shape better over time, which helps them keep a strong grip on taps. They also have lower runout, so your taps last up to 20% longer and create more accurate threads. Often used for high-volume production runs, they hold up to high-speed and high-force tapping in any material.