Bolt Master India Pvt. Ltd. Manufactures Hex and Lock Nuts. Bolt Master India Pvt. Ltd. Is an ISO 9001:2000 certified company. Bolt Master India Pvt. Ltd. Offers Fasteners such as Bolts, Screws, Nuts Studs etc. And forged components. The Hex and Lock Nuts widely used in Heavy Engineering, Mines [Coal, Aluminium, Iron etc.] Ship building, Constructions, Earthmoving Equipments, Sugar industries, Cement & Chemical plants, Power Stations, Railways, Petro-Chemicals, Nuclear power generation plants, steel plants, Farm Equipments and in Automotive sector.