supply of hex head bolt with gi coating of size 12mm x 35mm long x 1.5 pitch hex head bolt with gi coating of size 12mm x 25mm long, of 4.6 gradehex head bolt with gi coating of size 12mm x 35mm long x 1.5 pitch hex head bolt with gi coating of size 12mm x 25mm long, of 4.6 grade,hex head bolt with gi coating of size 12mm x 35mm long x 1.5 pitch, of 5.6 grade make- tvs/unbr ako/dfl/tuff/similar with one flat washer and one spring washer. (material-ms). one set of samples approved befo re bulk supply. [ warranty period: 30 months after the date of delivery ] ] , hex head bolt with gi coating of size 12mm x 25mm long, of 4.6 grade make- tvs/unbrako/dfl/tu ff/similar with one flat washer and one spring washer. (material-mild steel). one set of samples approved before bu lk supply. [ warranty period: 30 months after the date of delivery ] ]