How To Punch Square Holes In Sheet Metal

Place the die over the draw stud before inserting the stud through the pilot hole.

How to punch square holes in sheet metal.

If the bit catches you don t want the metal plate spinning around. Super easy tip in this video we show you how to drill a hole for a carriage bolt. Create flares around already cut holes in sheet metal up to 3 16 thick to make the edges stronger and more rigid. Slide thin sheets of material into the included die block then punch an inner and outer hole to create a shim or washer.

Use a hydraulic press to gradually and smoothly increase pressure until the broach is forced through the hole cutting material and forming a square. Turn the handle of these punches while pushing down to punch holes in cork and rubber. Drill a hole in the metal close to but smaller than the finished hole size. Quick cut stud driven computer connector shape.

The punch is then. To setup the punch first drill a pilot hole into a piece of sheet metal with a step drill bit. 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. Clamp down the metal.

Blacksmithing for beginners cutting a square hole in sheet metal. Updated better method here. Insert the broach and ensure it lines up at 90 degrees from the work peice or the hole will be crooked. Go slow and use oil when drilling.

Https youtu be m3ul s9 ma0 make your own homemade broaching tool for drilling perfectly square holes in steel. 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. In response to a question about h. Stud driven square hole punches.

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