Enlarging Hole In Sheet Metal

The broom handle will wear down but the hole will get larger.

Enlarging hole in sheet metal.

Place the too large broom handle against the hole it won t go through too big fill the dam around the broom handle with black beauty and as much water as it will hold. Start up the drill motor and hang on. Tod s workshop recommended for you. I ve messed with trepanning tools abrasive wheels hole saws and all manner of other stuff for cutting large holes in sheet metal.

Enlarging a hole in metal yersmay posted in tools for home building on july 21 2007 01 14am i have to enlarge four holes in 1 8th inch steel from 3 8 to 1 2. You start off by drilling a small diameter pilot hole and then drill gradually larger holes until you get. Drilling a hole in sheet metal with a twist drill is a rather straightforward operation. Enlarging holes in sheet metal i usually just use a the next size bit or if its not a critical part just use a move the bit around to enlarge the hole.

Online shopping for hole enlarging drill bits metalworking multipurpose drill bits from a great selection at industrial scientific store. For clean precise holes in thin sheet metal make a wood sandwich. As the handle wears it will go further into the hole. Elber arias 7 726 views.

The drillmax reamer is made for more general purpose works and will fit into any power tool chuck. Be that as it may here is a neat idea from flyboy accessories for cutting larger holes in sheet metal. Opening up an existing hole to a larger size. Dark ages crossbow full making process duration.

Simply sandwich the sheet metal between two pieces of wood and clamp everything down on a table or workbench. These reamers are ideal for. 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. However having see the posts on the step drill i thing that is a much better idea and will have to looking into them.

It s meant for creating lightening holes of the type seen when building aircraft or maybe just toolboxes and furniture that are built like wwii fighter planes.