Hex Head Bolt M 16 X 70 Mm With Hex Head Std Nut And Spring Washer : (I) He X Head Bolt As Per Is:1364(Part-1)-2002,P8.8 (Galvanized). (Ii) Hex Head Std Nut As Per Spec. No.Is:1364(Part-3)-2002,P8.0(Galvanized). (Iii) B 16 Spring Washer As Per Spec. No Is:3063-19 94(Reaffirmed 2021)Type-B(Galvanized) [ Warranty Period: 30 Months After The Date Of Delivery ] ]