Hex Nut & Bolt Set M30M40, Grade 5.6/8.8/10.9 Cold Forged Fastener Export Quality

Cold-forged hex nut and bolt fasteners built for heavy-duty structural and machinery assembly work. This range covers M30 to M40, manufactured in mild steel and high tensile steel across grades 5.6, 8.8 and 10.9 to suit varying load requirements in construction, PEB, automotive, machinery, power, steel and cement applications. Produced to IS 1363 Part 3 / ISO 4034 and DIN 934 standards, with metric internal threading (7H tolerance) and a hexagonal wrench/spanner drive for secure torqueing. Five finish options — self colour, black phosphated, white zinc, yellow zinc and hot dip galvanized — suit different environmental and corrosion-resistance needs. Certified to ISO 9001:2015 and CE, packed in 50×30×20 cm cartons for organized bulk dispatch. Suited to B2B wholesale buyers, project contractors and industrial fastener distributors sourcing dependable, export-quality large-size hex fasteners.