supply of set of stainless steel hex head screw , set of stainless steel hex head screw each set consist of 4 items i.e.i) stainless steel hex he ad screw/set=1no.ii) stainless steel nylock nut/set=1no.iii) stainless steel flat section spring washer/set =1no.iv) stainless steel plain washer/set=2nos. all in assembled condition as per following details:i) size: a)screw=m12x60mm length b)nylock nut: m12 c)spring washer:m12 d)plain washer:m12.ii) material: a)scr ew=aisi 304 b)nylock nut: aisi 304 c)spring washer:aisi 304 d)plain washer:aisi 304.iii)property class:a)s crew=a2-70 b)nylock nut: a2-70 c)spring washer:a2 -70 d)plain washer:a2-70.iv)specification: a)screw=i s 1364 b)nylock nut: din 982 c)spring washer:din 125/is 3063 d)plain washer:din 125,iso7089make: as p er rdso specification no.rdso/pe/spec/tl/0158-2010 (rev.1) & rdso/pe/spec/ac/0080-2007 (rev.2) i.e. unbrako/tvs/lps [ warranty period: 30 months after the date of delivery ] ]