Evolution Power Tools * | Evolution Power Tools Straight Flute Step Drill 3/16 In. To 1/2 In. Sd 6 Free Delivery

Sd-6: (6 Hole Sizes) Two Flutes 1/4 Shank

3/16 , 1/4 , 5/16 , 3/8 , 7/16 , 1/2

Evolution Premium Step Drills Are Made From The Same High-Quality M2Al As Cyclone Premium Annular Cutters. These Tools Are Heat Treated To 68Rc, Giving Them More Durability During Tough Applications.

Evolution Premium Step Drills Are Used To Produce A Range Of Hole Sizes In Steel Up To 1/8 Thick Using Only One Tool. The Twin Flute Design Allows For A Smoother Cutting Action With No Pre-Drilling Necessary. Evolution Premium Step Drills Have 3 Chucking Flats On The Driving Shank To Ensure No Slipping In The Chuck.

Specifications

Diameters:Sd-6: (6 Hole Sizes) Two Flutes 1/4 Shank
3/16 , 1/4 , 5/16 , 3/8 , 7/16 , 1/2