MAKITA Step Drill Bit

Ideal for drilling and enlarging holes, forming Countersink, de-burring holes and more titanium-nitride (tin) coating offers improved bit hardening, corrosion resistance and up to 2-1/2 times longer life versus uncoated bits three flat shank enables optimum hold on bit when used in standard jawed drill chucks ideal for use with wood, ferrous and non-ferrous metals and plastics available in 1/4" Hex, 3/8" And 1/2" Three flat shanks Available in 1/8" - 1-3/8" Size range.