Select the right bit for the job.
Best way to drill through sheet metal.
To 3 16 in you can drill through most metals at 3 000 rpm.
If the piece of metal you intend to drill is thin and lightweight you may want to clamp it securely to the.
Mark the position you need to drill with a pencil.
Drill bits can be reluctant about metal.
When you start to.
In conclusion i ll say that it definitely works and possibly a lot better than demonstrated here if the right grinding wheel is used to get a cleaner cutting edge.
Gather a power drill that has adjustable speeds.
Twist drills are great.
Always use a clamp or three.
Use a sacrificial board.
A sacrificial board is a flat piece of scrap wood that you place under or on top or.
A scrap piece of wood to place under the piece of metal being.
Or maybe they re just distracted or they lack motivation.
I made a video of the test.
Place the tip of the drill bit into the center mark.
Apply cutting fluid to the drill bit to reduce the friction caused during the drilling process.
Advance the drill through the thin sheet metal it may be difficult to get the drill to start cutting but a gentle force should be used until the cloth has been pierced taking care not to distort the sheet metal the drill will then advance normally through the metal but the resulting hole will be both round and assuming drill geometry is not miles out the size will be spot on.
How to work with sheet metal step 1.
Hard metals like steel and larger drill bits require even slower speeds.
Your first step should always be to locate the centers of all the holes you will need to.
High speed steel hss bits will work for most kinds of metal as will carbon steel.
The thinner bit that i used made it three quarters of the way through the wrench easily before losing its edge.
In general it s a good idea to drill through metal using as slow a speed as possible using a drill bit for metal.
Never ever hold a sheet metal workpiece in your hands when drilling and always.
How to drill through metal step 1.
Align the tip of the drill bit with the center mark that you made on the galvanized metal in step 1.
This will keep your drill bit from becoming dull.