procurement of fasteners for auxiliaries installed at ahp of 1x500 mw unit of mppgcl sgtps birsinghpur , hex . head nut bolt and washer ( ss ) , as per tender schedule , 6x30 , 12x150 , 12x80 , 16x200 , 24x220 , 20x60 , 20x100 , 24x100 , 16x65 , 12x65 , 10x40 , 10x50 , hex . head nut bolt and washer ( ht ) grade 10 . 9 , as per tender schedule , 16x40 , 16x60 , 16x100 , 6x40 , 16x70 , 16x110 , 12x60 , 12x50 , 16x50 , allen key bolt ht/ss , as per tender schedule , 10x60 ( ht ) , 06x40 ( ss ) , 12x30 ( ss ) , 12x40 ( ss ) , 12x45 ( ss ) , csk head bolt s s , as per tender schedule , 12x65 , 08x25 , stud ss , as per tender schedule , body stud 20x110 , body stud &nuts 20x80 , hex . head nut bolt and washer ( gi ) , as per tender schedule , 24x240 , 24x120 , 24x110 , 24x100 , 20x240 , 20x200 , 20x150 , 16x220 , m . s . hexagonal head bolt with nut & washer , as per tender schedule , 20x120 , 20x100 , 20x50 , 16x100 , 16x 60 , 16x50 , 16x80 , 16x200 , 20x150 , nuts ( ms ) , as per tender schedule , m 10 , m20 , m16 , m24