Step Drill Bit Set, Material HSS, Steam Oxide Finish, Number of Pieces 4, Number of Hole Sizes 28, Size Range 1/8 In. to 1-3/8 In., Sizes Included 1/8 In., 5/32 In., 1/4 In., 5/16 In., 3/16 In., 7/32 In., 3/8 In., 1/4 In., 9/32 In., 5/16 In., 11/32 In., 3/8 In., 13/32 In., 7/16 In., 1/2 In., 9/16 In., 5/8 In., 11/16 In., 3/4 In., 13/16 In., 7/8 In., 1-1/8 In., 1-7/32 In., 1-1/4 In., 1-3/8 In., Step Thickness 1/32 In., 1/16 In., 1/4 In., Number of Flutes 2, Shank Size 1/4 In., 3/8 In.
The Lenox 30929-30/929 4 piece Vari-Bit Kit includes VB1, VB3, VB8, and VB12. Lenox Vari-Bits feature high speed steel construction and steam oxide coating. A patented design two cutting flutes allow for clean burr-free holes. These bits will cut through materials faster than standard bits, including stainless stell up to 1/8" thick.