supply of set of hex. nut and spring washerset of hex. nut and spring washer,set of hex. nut and spring washer for sand ejector consist of 02 items as given below: (1) hex. head nut m14 x 2mm pitch conforming to is :1364 grade 10 - 01 no/set (2) spring washer size m14 as per is: 3036 - 01 no/set. nut make: tvs, vif, dfl/ unbrako only. spring washer make: tvs (or) vif (or) bbbb (or) dfl/unbrako only. note: firm should submit authorised dealershi p certificate along with tender otherwise offer will not be considered. [ warranty period: 30 months after the date of delivery ] ] , hexagon nut size m10 - 10 to specn. is: 1364 (part3)- latest, zinc electroplated to grade a3l of annex e of is:1367 ( part eleven) latest. make: tvs, vif, dfl/unbrko only. note: firm should submit authorised dealership certificate along with tender otherwise offer will not be considered. [ warranty period: 30 months after the date of delivery ] ] , spring washer steel of size m20 type b to is 3063/94 for 20mm bolt. make: tvs (or) unbrako/dfl (or) bbbb only. not e: firm should submit authorised dealership certificate along with tender otherwise offer will not be considered. [ warranty perio d: 30 months after the date of delivery ] ]