Retention Knobs for CNC Routers

Techniks Precision Retention Knobs Retention Knobs for CNC Routers are manufactured from aircraft quality AMS-6274 alloy steel and are hardened for maximum longevity. Match the dimensions and appearance of your retention knob to the drawings below. Use the manufacturer’s print that came with your machine to verify your selection. For safe operation, ensure the pull stud you order is the exact pull stud your machine uses. Using the wrong pull stud can cause damage to the spindle and/or toolholder, and can create a safety hazard Part Number Description Length Large Dia Small Dia Thread CNC 17801 BT30 - 45° 23mm 11mm 8mm M12 Heian 17806 BT30 - 60° 23mm 11mm 7mm M12 Shoda 750-19 BT30 KOMO 24mm 12.8mm 9mm M12 KOMO 07812 BT30 - 90° 24mm 12mm 8mm M12 Per Print 4403502 BT35 - 60° 23mm 11mm 8mm M12 Heian 49003 DAT 40 26mm 19mm 16mm M16 Per Print 49001-45 ISO30 Ball 45° Colombo 24mm 12.8mm 9mm M12 Motion Master 49001 ISO 30 Billet Colombo 23.4mm 13mm 9mm M12 Motion Master 49019 ISO30 HSD 24mm 12mm 8mm M12 HSD Many CNCs