Cordless Power Tools & Brushless Motor Mastery

What does 'chuck runout' mean and why is it problematic in precision drilling?

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 Correct IncorrectRunout is the deviation of the chuck or bit from its true central axis of rotation, causing drill bits to wobble and bore oversized or egg-shaped holes.

What does 'chuck runout' mean and why is it problematic in precision drilling?

• The speed at which the chuck unscrews when dropped
• The radial wobble or deviation of the bit from its true rotational axis
• The battery draw of the keyless chuck light
• How far the chuck jaws open in millimeters