supply of hex head screw m6x25-4.6.hex head screw m6x25-4.6.,hex head screw m6x25-4.6. drg no.- emu-06-6-001, 1)reference item-24 hex. head sc rew m6x25-4.6 , 2)reference item-25 hex. nut m6-5, 3)reference item-21 spring lock washer b6 reference item-24,25&,21 galvanizing to is:1573-86 service grade no.2 of tab -2 [ warranty per iod: 30 months after the date of delivery ] ] , ht hex head bolt size m18x120 mm full threaded as per is-1367 having 5 mm diame ter hole at 15 mm from bottom with castle nut as per is-2232 (1967) with 02 nos. plain washe r is-1364-1992 ( 01 no. spring washer is-3063 & 1 no. split pin size 4 x50 mm . proparty class - 10 .9 make for bolt : tvs,lps,unbrako [ warranty period: 30 months after the date of delivery ] ] senior section engineer gujarat 312.00 set