FORSTNER DRILL BIT 5/8" *Brand Name: Diablo *Drill Size: 5/8 in. *Overall Length: 3-1/2 in. *Material: High Speed Steel*Product Type: Forstner Drill Bit *Number in Package: 1 pc *Packaging Type: Carded *Shank Type: Round Shank *Shank Diameter: 5/16 in. *Discovery ACC, CON, NBR, SUP, EXP