Established on 17th Day of May 1993, under the Companies Act 1956 and duly registered as S.S.I. Unit in the state of West Bengal and later under the N.S.I.C, Harishrum Engineers Pvt. Ltd. is one of the key manufacturers, exporters, and suppliers of Wire Thread Inserts. An ISO 9001-2008 / ISO/ TS -16949:2009 and AS 9100 certified company, we have been offering Gripcoil Wire Thread Inserts heli-coil, Fixing Tools accessories and Gripcoil Self-locking nuts. We offer wire thread inserts over 3 million pcs. per month comprising all types in wide range of sizes from 1.6 mm to 45 mm in ISO Metric and 2-56 to 1Â½ in inch thread series including installation accessories. With quality products and reliable business policies, we have become the market leader in helical coil wire thread fastening system and a major source for leading OEMs in Europe.