Tender For corrigendum : supply of ht gi stud with 4 numbers of nuts of grade en-8 of size - m 16 x 800 mm , ht gi stud with 4 numbers of nuts of grade en-8 of size - m 18 x 800 mm , ht gi stud with 4 numbers of nuts of grade en-8 of size - m 20 x 800 mm , ht gi stud with 4 numbers of nuts of grade en-8 of size - m 22 x 800 mm , ht gi stud with 4 numbers of nuts of grade en-8 of size - m 24 x 800 mm , ht gi stud with 4 numbers of nuts of grade en-8 of size - m 30 x 800 mm , ht gi stud with 4 numbers of nuts of grade en-8 of size - m 30 x 1000 mm , ht gi stud with 4 numbers of nuts of grade en-8 of size - m 32 x 800 mm , ht gi stud with 4 numbers of nuts of grade en-8 of size - m 32 x 1000 mm