How To Punch Square Holes In Sheet Metal

Turn the handle of these punches while pushing down to punch holes in cork and rubber.

How to punch square holes in sheet metal.

If its smaller dimple the metal with a punch drill a hole with a small bit and the use progressively larger ones until its your target size and square off the hole with a file. In this case w. Updated better method here. Stud driven square hole punches.

A drill press helps a lot. Hydraulic hole punches our strongest punch this tool has 35 tons of force to punch through tough materials such as bus bars railings and i beams. Go slow and use oil when drilling. To setup the punch first drill a pilot hole into a piece of sheet metal with a step drill bit.

How to drill a square hole. Use a hydraulic press to gradually and smoothly increase pressure until the broach is forced through the hole cutting material and forming a square. Drill a hole in the metal close to but smaller than the finished hole size. If the bit catches you don t want the metal plate spinning around.

Place the die over the draw stud before inserting the stud through the pilot hole. Blacksmithing for beginners cutting a square hole in sheet metal. Super easy tip in this video we show you how to drill a hole for a carriage bolt. Slide thin sheets of material into the included die block then punch an inner and outer hole to create a shim or washer.

The punch is then. How to use chisels instead of files to cut a share hole for carriage bolts. In response to a question about h. Quick cut stud driven computer connector shape.

Https youtu be m3ul s9 ma0 make your own homemade broaching tool for drilling perfectly square holes in steel.