How To Punch Square Holes In Sheet Metal

In response to a question about h.

How to punch square holes in sheet metal.

Turn the handle of these punches while pushing down to punch holes in cork and rubber. In this case w. Slide thin sheets of material into the included die block then punch an inner and outer hole to create a shim or washer. To setup the punch first drill a pilot hole into a piece of sheet metal with a step drill bit.

Stud driven square hole punches. 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. If the bit catches you don t want the metal plate spinning around. Go slow and use oil when drilling.

A drill press helps a lot. Use a hydraulic press to gradually and smoothly increase pressure until the broach is forced through the hole cutting material and forming a square. Insert the broach and ensure it lines up at 90 degrees from the work peice or the hole will be crooked. Drill a hole in the metal close to but smaller than the finished hole size.

Quick cut stud driven computer connector shape. 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. The punch is then. Place the die over the draw stud before inserting the stud through the pilot hole.

Clamp down the metal. Super easy tip in this video we show you how to drill a hole for a carriage bolt. How to drill a square hole. How to use chisels instead of files to cut a share hole for carriage bolts.

Blacksmithing for beginners cutting a square hole in sheet metal.