Supply of Set Of Hex Headed Bolt M6x30 With Spring Washer For Cut Off Angle Cock With Vent Of Air Brake Wagons- As Per Rdso Drg.No. Wd-88123/S-01 Item No.13 & Alt.No. 0 2 Or Latest, Each Set Consisting 04 Nos Bolt With Spring Washer. Warranty Period: 30 M Onths After The Date Of Delivery