3-12 4-12 4-20 Straight Groove Step Drill Bit HSS Titanium Coated Hole Cutter

Features: * Brand New and High Quality *Ideal for using to cut holes in a variety of materials including steel brass wood plastic etc. *Titanium coated to reduce heat treated and highly polished. Drills perfectly round holes in steel brass plastic wood etc. *3 sided shanks design in order to prevent slippage when in chuck *Two flute design drives faster smoother and cleaner cuts each step is clearly labeled with the depth diameter in steps Specifications: Length: 3-12mm Length: Approx. 7.9cm/ 3.11 4-12mm Length: Approx. 6.7cm/ 2.64 4-20mm Length: Approx. 7.4cm/ 2.91 Material: High speed steel Color: Black Package Contents: 1 x Drill Bit