Profile: Midwest Metal Products is an angle ring manufacturer. We stock standard angle rings from 3" to 96". Our standard angle rings are available in carbon steel, stainless steel and aluminum. We also stock hot dipped galvanized angle rings in sizes from 3" to 72". We can punch any hole pattern, size hole and shape hole including slots in the stock angle rings. Custom angle rings are available in a wide variety of sizes, ranging from 1" x 1" x 1/8" to 6" x 6" x 1" in carbon steel, 304 and 316 stainless steel, aluminum, corten & hot dipped galvanized. We can roll custom angle rings, leg-out, leg-in, heel-in and heel-out. Standard gaskets to match our angle rings and custom sized gaskets are available in 1/8" black neoprene as well as a variety of other materials such as gorlock & white buna. We also offer fabricated blast gates made out of carbon steel, stainless steel and aluminum. WonderFlanges are the strongest, quickest, safest and most economical connectors available for spiral pipe. These are designed to slip inside the spiral pipe. The spiral pipe can then be welded or screwed to the WonderFlange. The 9/32" holes punched on the leg-out are intended to be used as pilot holes for TEK screws. WonderFlanges can be used on single wall, 1", 2", 3" and 4" double wall spiral pipe.