Arbor,arbor for bi-metal hole saws, 5/8'Hex, We can supply many kinds of arbors ... which you are finding. Arbor,arbor for bi-metal hole saws, 5/8"Hex,We can supply many kinds of arbors ... you are finding. Product name: arbors for bi-metal hole saws Item NO.: DF01002 Material:Hss and 45#, accept customers' require ... /4" Thread size: 5/8“-18 UNF Application: fit hole saws 1-1/4” to 7-7/8“ Dia DF01002 arbor ...