supply of galvanized iron slotted hexagonalgalvanized iron slotted hexagonal,galvanized iron slotted hexagonal head fully threaded bolt of size m5 x 20 mm as per is: 136 4-2002. [ warranty period: 12 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] , galvanized iron slotted hexagonal head fully threaded bolt of size m5 x 15 mm with hexagon al nut as per is: 1364-2002 with 01 no. of flat washer of size od -13 mm, id - 5 mm, thickness - 1 mm as p er is: 2016-1967 and 01 no. spring washer as per is: 3063-1972. [ warranty period: 12 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] => limited