Tag: Steel

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Metal Fabrication Videos I Made At Work

Greaser Alley

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

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Sheet Metal Gauge Chart

Greaser Alley

Gauge (ga) Standard Steel Thickness (inches) Galvanized Steel Thickness (inches) Aluminum Thickness (inches) 3 0.2391   0.2294 4 0.2242   0.2043 5 0.2092   0.1819 6 0.1943   0.1620 7 0.1793   0.1443 8 0.1644   0.1285 9 0.1495 0.1532 0.1144 10 0.1345 0.1382 0.1019 11 0.1196 0.1233 0.0907 12 0.1046 0.1084 0.0808 13 0.0897 0.0934 0.0720 14 0.0747 0.0785 0.0641 15 0.0673 0.0710 0.0571 16 0.0598 0.0635 0.0508 17 0.0538 0.0575 0.0453 18 0.0478 0.0516 0.0403 19 0.0418 0.0456 0.0359 20 0.0359 0.0396 0.0320 21 0.0329 0.0366 0.0285 22 0.0299 0.0336 0.0253 23 0.0269 0.0306 0.0226 24 0.0239 0.0276 … Continue reading Sheet Metal Gauge Chart