Century Drill And Tool Series A Hole Saw Arbor – 1/2-20 Thread, 3/8″ Shank, 3/8″ Chuck
Fits bi-metal hole saws 9/16-Inch to 1-3/16-Inch
Threads are 1/2-20
Shank size 3/8-Inch
Fits bi-metal hole saws 9/16-Inch to 1-3/16-Inch
Threads are 1/2-20
Shank size 3/8-Inch