Place the sheet on a clean flat smooth steel block.
How to make dimples in sheet metal.
From throttle stop garage a simple how to video for making dimples in sheet metal panels.
This short tutorial shows how you can create a dimple in a sheet metal part that has a threaded hole in the end.
Start off by drilling a hole or series of holes in the panel or bracket that you want to make using a drill bit that fits the pilot hole of the dimpling die.
After the hole is drilled insert the pilot bolt along with the male and female dies.
Punch dimple die arbor kit h 9000 our arbors your punch dimple make the mitey mate jr 1685s a powerful sheet metal punch.
Metal ready for hammer texturing should be clean oxide free annealed and bone dry.
There are different angles of dimple dies.
No expensive tooling or fancy tools were used.
Tape the four corners down with painter s tape or masking tape.
For the thinner sheet metal under 040 or so dimple dies are used.
Most common in the current market for experimental aluminum homebuilt aircraft are the 100 and 120 dimple dies for the 30 or 1 8th hole size.
Diy dimple dies no fancy tools.
To make the tool i used and old 1 2drive x 5 8 socket as the receiver for the forming dies.
Wet metal causes tool rust and oxides on the metal will become embedded into the sheet during hammer texturing.
Pic 1 shows the socket 1 4 bolt and washer i put the washer on the bolt and drive it into the socket pic 2 this will automatically center the bolt for welding.