supply of 1)hydraulic high 2)hex head bolt 3)relief cartridge 4)ejector-release1)hydraulic high 2)hex head bolt 3)relief cartridge 4)ejector-release,hex head bolt with thread m20,nominal length 180mm and property class 4.8,conforming to is :1363(part-1):2002/iso:9549(1980) provision of hole with hexagon nut with thread m20 and property c lass 5,conforming to is:1363(part-3):2002/ iso-4034-1999 (4th revision). [ warranty period: 30 months a fter the date of delivery ] ] sr. section engineer bogie gujarat 840.00 kg , relief cartridge valve for avlock/ avdel make power pack combination valve working pressur e 8000psi - part number: c330-car or equivalent for avlock/ avdel power pack (lock bolting machine), mod el no: hydra pac hp-41 [ warranty period: 30 months after the date of delivery ] ] , hydraulic high pressure quick coupler set (one set contains one coupler (part no. tc-371 or similar) and one nipple (tc-372 or similar) having working pressure 10,000 psi (max), suitable for hydraul ic lock bolt machines (make: stanley/orione) [ warranty period: 30 months after the date of delivery ] ] , ejector-release service kit part no.-n323 for 1/2 inch nose assembly-n32 of avlo ck make hydraulic installation tool model-t30. make: -avlock/avdel/stanley or similar. [ war ranty period: 30 months after the date of delivery ] ]