Punch round holes in sheet steel copper aluminum brass and some types of plastic with this knockout punch kit.
Diy sheet metal hole punch.
Place the sheet metal in the correct position on the positive die and slide the negative on top.
Other versions work like a punch and die set requiring you to hammer the metal punch piece atop the project material to create the hole.
Place this cylinder on top of the metal sandwich and place the entire assembly under the press.
Select the desired hole size slide the paper or project material between the tool s jaws.
Tap your hammer to leave an indentation on the sheet metal.
Find a long metal cylinder that will fit between the two stainless steel rods.
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Place your sheet metal on your steel block and position your centre punch at a central point in your cut out design.
Punch and flare a 1 inch 1 5 inch 2 inch or 2 5 inch hole that also improves the strength and structural integrity of the part.
It s like a little metal sandwich.
Ideal for electrical pipe or conduit.
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Easy to use drive bolt design uses several turns of a wrench to apply pressure forged machined and heat treated.
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Nothing fancy just a quick and dirty one off tool custom shaped punc.
Then squeeze the jaws to make the hole.