For the cleanest hole clamp a second piece on top of the metal making a sacrificial sandwich.
Drilling holes in aluminum sheet.
The wooden bread layers of the sandwich keep the sheet metal flat and prevent the drill bit from wandering as it bores through the sheet metal.
For clean precise holes in thin sheet metal make a wood sandwich.
Drilling a hole in sheet metal with a twist drill is a rather straightforward operation.
To be used with sheet metal only.
Simply sandwich the sheet metal between two pieces of wood and clamp everything down on a table or workbench.
You start off by drilling a small diameter pilot hole and then drill gradually larger holes until you get.
Rinse thoroughly with water to remove the detergent dirt and debris.
Sooner or later every homebrewer needs to drill holes in sheet metal.
The classical situation is drilling holes to mount switches connectors and potentiometers on the front panel of some instrument.
Some bits have 118 degree tips which will get dull faster.
When drilling thin sheet metal clamp the metal over a piece of sacrificial plywood or other flat sheet good like mdf or particleboard to help prevent the bit from tearing up the hole.
Co z 5pcs hss cobalt multiple hole 50 sizes step drill bit set with aluminum case.
Are you keen on getting to know more about the right options for drilling holes in metal.
Whether you want to fix your aluminum siding or mend your aluminum boat you may want to know how to repair holes in aluminum.
If the answer is yes you can choose almost any type of general purpose twist bit will be able to do a decent job.
How to effectively drill through aluminum june 6 2018 permalink.
The problem is that the diameter of the hole is much larger than the thickness of the sheet and regular twisted drill bits do not work well.
Automatically deburrs hole when you drill.