In this video for This Old House, Mark demonstrates how to switch between pre-drilling and screw driving to avoid crooked or jagged holes that may damage your workpiece. Learn how to correctly adjust the keyless chuck to achieve perfect, straight bit placement every time.
Learn how to:
• Easily switch from predrilling to screw driving
• Align the bit properly
• Avoid crooked or jagged holes
• Engage the ratchet for high stress projects
