THIS IS OUR 1/2-20 HOLE SAW ARBOR TO BE USED WITH A MILL OR LATHE SET UP. MACHINED FLATS ON TOP OF SHAFT TO ASSIST WITH DISASSEMBLY . USE STANDARD 1/2” OR 13MM WRENCH

CAN BE USED WITH 14MM-30MM (.55” - 1.1875”) HOLE SAWS

.50” SHAFT X 2.5” SHAFT LENGTH , 3/4" OD COLLAR, .50” OF 1/2-20 THREAD LENGTH

MTRL: 1018 STEEL W/ BLACK OXIDE FINISH FOR RUST PREVENTION

SKU FAB-HSA-1/2-20X 1/2 X 3