Fill Sheet Metal Holes

Reach underneath the metal if you re able to or push the patch through the hole.

Fill sheet metal holes. Did you want to learn how to work around that and deliver a solid re. Simply sandwich the sheet metal between two pieces of wood and clamp everything down on a table or workbench. Repairs cracks or porosity leaks in cast metal parts. Works on metal wood and concrete.

Perhaps a simple rivet or sheet metal screw can be secured in the hole. Excellent adhesion to galvanized metal. Weld thru coating many welding operation leave a section of the weld hidden. If the hole needs to contain a liquid a rubber washer can go on the sheet metal screw to render it water tight.

Holes larger than 1 4 need to be filled with metal. Smfm series sheet metal plugs are available in sizes to fit 8mm to 22mm diameter holes. A filler for the holes is needed i used some soft copper from a pipe hanging fixture hammered flat it was a perfect thickness for this application. Easy to use filler can be drilled filed sanded and painted.

For clean precise holes in thin sheet metal make a wood sandwich. Using lineman s pliers the plug is cut to shape slowly snipping into a circle. Then spread the patch out so it s flat against the remaining metal. Insert the metal patch behind the hole.

Forms a long lasting metal tough bond. The patch should completely cover the hole. Holes in thin metal can be filled with plugs. 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.

Snap in sheet metal hole plugs provide an attractive finish and a secure fit. Fills small holes cracks and perforations. Sheet metal on the body of cars and trucks is pretty thin usually 18 22 gauge. For thicker sheet metal an old copper penny might be a quick source of material.

A small magnet will help keep the filler metal in place while you weld. The kind of plug to use depends on how the thin metal is being used. Small magnets are especially handy in sheet metal rust repair such as holding a small piece of metal inside a hole. For these types of holes i start by cleaning the area around the hole with an angle grinder and flap disc.

The easiest holes to fill are small holes about the diameter of a pen or smaller.