supply of supply of different types of electrical materialssupply of different types of electrical materials,supply of different types of electrical materials as per annexure. [ warranty period: 30 months after the date of delivery ] , heavy duty copper crimping socket size 25 sq.mm, stud hole dia 16mm (hsn code: 8536 ) make:- ascon/dewells/abrol [ warranty period: 30 months after the date of delivery ] , rust proof round headed allen key bolt of size m10 x 85 mm ( including head ) ,without head length = 75mm & 40 % threaded for fixing of 25 kw alternator ( kel make & bhel make ) end cover . ( materials should be supplied as per sample ) make: kel, bhel or equivalent. [ warranty period: 30 months after the date of delivery ] => limited