We are offering hex nut rollfast is the biggest and the largest manufacturer in india for bigger diameter hex bolts and nuts in high tensile grade from m-20 diameter and above till m-100 by hot firging process....
Petrochemical stud bolts and nuts as per ASTM grades A 193 A194 in alloy and stainless steels.Fasteners for wind mills, petrochemical industry, chemical industry, ship building industry, heavy engineering industry, water treatment and sewage...