Sheet Metal Plug Weld Hole Size

Start off by drilling 7 5mm holes in the front sheet of metal at a spacing of normally 25mm to 40mm or whatever the original spot weld spacing was.

Sheet metal plug weld hole size.

Keep in mind that depending on the age of your car the location of the patch the manufacturer and other factors there are several different gauges of steel that these panels can be made out of. The strength of the plug weld is based on the area in shear i e the area of the hole at the faying surface. These 1196 sheet metal plates are the perfect thickness to plug holes in the frame. Thicker sheet might require a slightly larger hole size.

The maximum hole is the larger of the material thickness plus 7 16 or 2 25 times the material thickness. Their tapered prongs snap into holes to securely hold them in place. My names matt urch and i own and. Then clamp this sheet onto the back sheet.

Aws d1 3 says to use a 1 4 inch hole for 20 gauge or thinner and 5 16 for thicker than 20 gauge through 3 16 thick. Keep metal snap in plugs of various sizes on hand to solve whatever problems arise. The length of the curved fillet weld around the inside circumference is the length of the throat along the centerline of the weld. Aws d1 1 says that the minimum diameter should be the material thickness plus 5 16 for material thicknesses 1 8 and thicker.

Here s a quick video on how to plug weld sheet metal using mig without blowing yourself a bigger hole than you started with. Now you take a 5 16 plug weld the whole area is filled with weld but you don t have the heat control a factory spot weld has. Made of steel these plugs are our most durable plugs for panels. The minimum diameter of the hole for a plug weld per d1 1 is the thickness of the part plus 5 16 inch.