Hex Head Bolt With Nylon Nut M-22 X 130 X45 ,As Per Is 1364/2002 For Bolt & Fo R Nut Ms Is 2062 Grade 8.8 And Inserted Polyamide As Per Is : 7082/72 Nylon 66 With Throug H Hole Of 6Mm At Distance Of 6 Mm From Free End In Bolt Threaded Portion. [ Warranty Pe Riod: 30 Months After The Date Of Delivery ] ]