Hastelloy G30 fasteners are produced and supplied by Precision in India, which also maintains a large inventory of the raw material. Fasteners made of hastelloy b2 are produced from bar material of the highest calibre. precision, also known as Alloy G30, can provide high precision bolting components with quicker turnaround times and affordable prices. Alloy G30 Fasteners are compliant with all international standards and are offered in metric and imperial sizes. Over these Hastelloy G30 fasteners, we may offer ISO Metric, Unified National Coarse (UNC), Fine (UNF), Extra Fine (UNEF), BSW & BSF thread profiles.