Drilling through metal or steel video

Summary: DIY video showing you how to drill through metal or steel.

Before you drill metal you need to make sure you use the correct drill bit. Do not use a drill bit for wood, use a high speed steel (HSS) bit that is coated with aluminium nitride to toughen it or a cobalt bit. When drilling metal make sure you keep the drill bit cool. You can do this by using oil.

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