1. Solid Material: Made of high speed steel material, offering improved wear resistance and stable performance. The excellent hardening process ensures high concentricity and overall mechanical properties.2. Overload Protection: Featuring adjustable torque and a vibration clutch with active engagement, it enables smoother, more accurate operations, and quicker reversals. The radial floating is self centering to compensate for off center hole alignment.3. Dual Spring Mechanism: Integrates an automatic feed and buffer drive with two feeding springs and two reversing springs. The preset torque control allows easy tap braking torque control operation.Specification:Item Type: Self Reversing Tapping HeadMaterial: High speed steelModel: J467Application:Applicable for drilling machines, drilling machines and manually operated machines with rotating spindlesHow to Use:1. Unscrew the nut and insert the black square that fits the tap shank. 2. Put in the soft chuck. 3. Insert the tap into the nut. 4. Insert the tap and screw on the nut. 5. Tighten the nut with a wrench to fix the tap. 6. Loosen the screws slightly with a hexagonal wrench. 7. Insert the handle, making sure that the circular notch of the handle is facing upwards. 8. Tighten the screws. 9. Complete the renderingsPackage List:1 x Self Reversing Tapping Head2 x Connecting Rod2 x Flexible Chuck2 x Wrench1 x Hex Wrench1 x Accessory