How To Punch Square Holes In Sheet Metal

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How to punch square holes in sheet metal. 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. 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. To setup the punch first drill a pilot hole into a piece of sheet metal with a step drill bit.

If the bit catches you don t want the metal plate spinning around. Turn the handle of these punches while pushing down to punch holes in cork and rubber. Place the die over the draw stud before inserting the stud through the pilot hole. Quick cut stud driven computer connector shape.

Stud driven square hole punches. Create flares around already cut holes in sheet metal up to 3 16 thick to make the edges stronger and more rigid. Super easy tip in this video we show you how to drill a hole for a carriage bolt. How to use chisels instead of files to cut a share hole for carriage bolts.

Insert the broach and ensure it lines up at 90 degrees from the work peice or the hole will be crooked. The punch is then. In this case w. Updated better method here.

Blacksmithing for beginners cutting a square hole in sheet metal. Go slow and use oil when drilling. A drill press helps a lot. 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.

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