USING A SET OF HEM ROLLS: This video gives instruction on the proper use of the Mittler Bros. Hem Step Roll Set. This easy, three-step process creates hem rolls approximately 1/4″ deep on steel or aluminum up to .040″ thick without marring pre-painted aluminum. Rolls are available in HEAT-TREATED STEEL or COMBO STEEL & NYLATRON. PUNCHING JUST A HOLE WITH A SET OF PUNCH AND FLARES:   In this video you just drill a pilot hole for the draw bolt, then apply the tool and tighten the bolt for a smooth, flared or beaded hole in one easy step. Punch hole only … Continue reading Metal Fabrication Videos I Made At Work