300mm (12 inches) squares are perfect for work with 50mm tubing and larger. For 50mm tubing and smaller, we suggest 200mm squares (38mm wide).
The imperial Mega and Monster Squares 12″ are 12″ x 12″ x 3″. Approximate metric conversion is 305 x 305 x 76 mm.
The tapped holes are imperial (not metric).
4 Edge Location Tabs
Our revolutionary tabs allow you to align your material up so that you don’t even need a welding table! Don’t spend thousands on a flat table, just use our squares! Tighten the tabs onto the front or back of your square and you can immediately get to work. Sure, there are different jigs out there, but can they line your material perfectly in seconds?
4 Tool-less Thumbscrews
But it doesn’t stop there. We reinvented the game by introducing our thumbscrews. Say goodbye to your hex keys and Allen screwdrivers and freely adjust the tabs with only your fingers!
All Cast Iron Squares purchased on Fireball Tool Europe come with a black oxide + oil finish for better corrosion protection.
Black Oxide, blackening, oxidizing, oxiding, black passivating, gun bluing… these terms all refer to the process of forming a black iron oxide on the surface of ferrous metals.
The black oxide process is a chemical conversion coating. This means that the black oxide is not deposited on the surface of the substrate like nickel or zinc electroplating. Instead, the black oxide coating is produced by a chemical reaction between the iron on the surface of the ferrous metal and the oxidizing salts present in the black oxide solution. These oxidizing salts include penetrates, catalysts, activators and proprietary additives which all take part in the chemical reaction. The result of this chemical reaction is the formation of black iron oxide, magnetite (Fe3O4), on the surface of the metal being coated. Black oxide has a range of unique properties and benefits including corrosion protection & reduced friction.