supply of set of items as detailed: 1) hex head screw (fully threaded) with single coil rectangular spring steel washerset of items as detailed: 1) hex head screw (fully threaded) with single coil rectangular spring steel washer,set of items as detailed: 1) hex head screw (fully threaded) with single coil rec tangular spring steel washer and flat washer for compressor bed as per the following de tails. 1a) hexagonal head screw of size : m 14 x 2mm 60 degree metric pitch x 60 mm long as p er is:1367 & 1364. property class 10.9. qty/set :200 no?s.1b) spring washer of size: m14 b as pe r is:3063/1972 .qty/set.200no?s ,1c) flat washer of size (id 15 mm od 29 mm.thickness 3 mm) as per is:2016/67. qty/set:400 nos. hex screw and flat washer are to be zinc plated as per is:157 3/1986 and spring washer is to be phosphated as per is:3618/86. 2) hex head bolt of size m16 x 50 mm ( fully threaded), qty/set:200 nos, 3) hex head bolt of size m4 x 25 mm (fully threaded) , qty/set: 200 nos, material specification confirming to is: 1364/2002, grade:10.9. make:tvs / lp s/ unbrako / pfl. [ warranty period: 30 months after the date of delivery ] ]