BT40 Coolant Through Pull Stud Retention Knob With M16x2.0 Thread 45 Degree Head 2.36 Inch Overall Length For Haas CNC Machines Pro Grade Tool Accessory Built To Last

BT40 Coolant Through Pull Stud for Haas CNC Mills
✔️ 45 Degree Head, M16x2.0 Thread, 2.36 Inch Overall

This retention knob locks tool holders securely into BT40 spindles on CNC mills while routing coolant directly through the tool for better chip removal and longer life.

✅ Head 0.589 inch or 15 mm at 45 degree angle
✅ Drawbar thread M16x2.0 with 0.392 inch neck
✅ Overall length 2.36 inch or 60 mm and 0.197 inch coolant hole
✅ Shoulder to head 1.1 inch and shoulder to end 1.376 inch

💡 What are retention knobs typically used for on CNC milling machines? They lock tool holders tight inside the spindle so cuts stay steady and safe. - Create strong drawbar pull to stop tools from slipping under heavy loads - Route coolant straight through to the cutting edge for cooler faster cuts - Match common BT tapers to work on Haas and similar mills without issues - Handle daily production runs with a simple swap when wear shows up