Arbors & Accessories

Bi-metal Hole Saw Assortments. These assortments include the most popular sizes of Hole Saws, with Arbors and Drills , for general purpose use, and come in a sturdy, durable plastic case that's compact and easy to handle, choose the assortment best-suited to your needs.Item NO.Shank SizeChuck SizeThread SizeFits to Hole SawsPT980021/4 Round1/41/2-20 UNF9/16-1 3/16PT980033/8 Hex3/81/2-20 UNF9/16-1 3/16PT980047/16 Hex1/21/2-20 UNF9/16-1 3/16PT980077/16 Hex1/25/8-18 UNF1 1/4