Sheet Metal Break

Here is my shop built sheet metal brake. The base is 2" x 3" x 3/8" wall angle iron x 27" long because that's what I had on hand. The bending arm is 2" x 2" x 3/8" wall angle with ball bearing pivots. I used a hex 3/8" x 16 tpi threaded rod coupler cut in half and welded in slots in the main angle frame for the pivot points. Shoulder bolts through ball bearings into the nuts. The base is welded to 2 pieces of 1 1/2" x 3" x 6" long channel iron to make it easy to bolt to my welding table when in use and holds the base up so the C clamps will fit under it for clamping the hold down bars. Handles formed from 3/8" x 2" bar stock. I use 2 long throat C clamps for the hold down and so far it has worked out just fine. I can angle the clamps to clear longer pieces. I regularly bend 16 ga. about 8" wide with it with no problems but haven't had the occasion to test wider pieces. I may add a stiffiner to the bending arm. I used some scrap 1/2" x 2" channel from telephone company cable rack as a hold down and have cut several pieces certain lengths for boxes.

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