BT Coolant Thru Retention Knobs

Please make sure that the Retention Knob you order is the correct one for your machine. Using the wrong Retention Knob can cause damage to your machine spindle, the tool holder, and may cause a safety hazard.

 

Dimensions in millimeters

Techniks Retention Knobs

  • All mating surfaces precision ground

  • Manufactured to the highest standards
    for maximum safety and long life

  • Look up Retention Knobs Sockets by CNC machine manufacturer

  • Retention Knobs Sockets

BT Coolant Thru Retention Knobs Diagram

BT Retention Knobs

Part No. Description ? D d1 d2 d3 L I1 l2 T
7801 BT 30 - 45° 45? 16.5 11 7 12.5 43 23 18 M12
7803 BT 40 - 45° 45? 23 15 10 17 60 35 28 M16
7830 BT 40 - 45° 45? 23 15 10 - 60 35 28 M16
7834 BT 40, ANSI, metric thread 45? 23 18.8 12.5 12.4 38 16 11 M16
7805 BT 50 - 45° 45? 38 23 17 25 85 45 35 M24
7806 BT 30 - 60° 60? 16.5 11 7 12.5 43 23 18 M12
7808 BT 40 - 60° 60? 23 15 10 17 60 35 28 M16
7810 BT 50 - 60° 60? 38 23 17 25 85 45 35 M24
7812 BT 30 - 90° 60? 16.5 11 7 12.5 43 23 8 M12
7814 BT 40 - 90° 60? 23 15 10 17 60 35 28 M16
7816 BT 50 - 90° 60? 38 23 17 25 85 45 35 M24