Set Of Hex Head Bolt M10 X 50 Mm. With Flat & Spring Washer And 01 No. Nyloc Nut M 10 For Bolster Tank As Per Spec. 10.9 Iso Metric 6G Is 1367, Nut Din 439 Ss 304. [ Warranty Period: 30 Months After The Date Of Delivery ] ]