Home › Tool Holding › Collet Nuts & Coolant CapsSimilar item shown. Size and length follow the specifications.JEM # HPI-MX/JAM-NUT CAT40MX/JAM-NUT CAT40CAT40 collet nut · JAM-NUT FOR CAT40 MX CHUCKCollet nutCAT40SpecificationsFrom Pioneer's catalogTypeCollet nutFitsCAT40$25.88each■ In stockAdd to cart