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.

Drilling holes in aluminum sheet.

Some bits have 118 degree tips which will get dull faster. Automatically deburrs hole when you drill. Simply sandwich the sheet metal between two pieces of wood and clamp everything down on a table or workbench. 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.

The main difference between drilling aluminum and harder materials noted jason hout global dhm deep hole machining product and application specialist for sandvik coromant co fair lawn n j is that the shear point of aluminum is low enough that it can be sliced by the tool s cutting edge as opposed to being pushed out. Co z 5pcs hss cobalt multiple hole 50 sizes step drill bit set with aluminum case. To be used with sheet metal only. The classical situation is drilling holes to mount switches connectors and potentiometers on the front panel of some instrument.

Drilling a hole in sheet metal with a twist drill is a rather straightforward operation. For the cleanest hole clamp a second piece on top of the metal making a sacrificial sandwich. Rinse thoroughly with water to remove the detergent dirt and debris. You start off by drilling a small diameter pilot hole and then drill gradually larger holes until you get.

Whether you want to fix your aluminum siding or mend your aluminum boat you may want to know how to repair holes in aluminum. Furthermore the drilled hole becomes enlarged beyond. 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. Repairing small aluminum holes step 1 clean the area around the hole in the aluminum with a sponge soaked in warm water mixed with liquid detergent.