Roll-Fast offers a range of Hot Forged Headed Bolts & Nuts and bar turned / machined / stamped Fasteners and Fixing as per DIN / ISO / BS / ASTM / JIS / GOST / IS standard for various applications. All our Fasteners Confirm to International Specifications and have a very high thread quality. 'Go' and 'Not go' thread gauges are maintained throughout production and after plating. Brass, alloy of copper and zinc, of historical and enduring importance because of its hardness and workability. The earliest brass components, called calamine brass, dates to Neolithic times; it was probably made by reduction of mixtures of zinc ores and copper ores.
