supply of hex head bolt, 8 mm dia x 35mm long , description: hex head bolt, 8 mm dia x 35mm long,metric thread with 01 number hex agonal nut, 02 numbers plain washer, 01 number spring washer. all lead coated for fastening cell conn ectors of 120 ah lmla battery confirming to is:6848-1979 (reaffirmed 2003) with latest alteration. ma terial spec: is 1363(part 1):2002 with latest alteration ( for bolt), is 1363 (part 3):2002 with latest alte ration (for hexagonal nut), is 2016-1967 with 4 amendments (reaffirmed 2021) with latest alteration( for plain washer), is 3063:1994 (reaffirmed 2021) with latest alteration (for spring washer). [ warran ty period: 30 months after the date of delivery ] ]