5/16 UNF x 2 1/4 Gr S HT HEX BOLTS ZINC HHONF0310225//B
5/16 UNF x 2 3/4 Gr S HT HEX BOLTS ZINC HHONF0310275//B
5/16 UNF x 3 Gr S HT HEX BOLTS ZINC HHONF0310300//B
5/16 UNF x 3 1/2 Gr S HT HEX BOLTS ZINC HHONF0310350//B
5/16 UNF x 3 3/4 Gr S HT HEX BOLTS ZINC HHONF0310375//B
from Kerridge Commercial Systems Ltd