supply of hexagonal head screw full thread with nuthexagonal head screw full thread with nut,hexagonal head screw full thread with nut, spring washers and flat washers as per the details give n below. (1) hexagonal head bolt size:m10 is:1364 & is:1367(pt3), property clause 8.8 as per drawing no. b/t rs/bogie/4/239 alt-a ref no.2. qty/set.1 no. (2) slotted nut size:m10 is:2232 & is:1367(pt6), property clause 8.0 as per drawing no. b/trs/bogie/4/239 alt-a ref no.3. qty/set.1 no. (3) plain washer size b10, is:2016/67 as per drawing no. b/trs/bogie/4/239 alt-a ref no.5. qty/set.1 no. (4) spring washer, size: b10 is: 3063/1994 as per drawing no. b/trs/bogie/4/239 alt-a ref no.6. qty/set.1 no. note:- nut and flat washer are to be coated with zinc as per is: 1573/1986 and spring washer is to be phosphated as per 3618/1966.