Mead Quadrille Graph Paper, Quadrille , 8 1/2 x 11, White, 12 Pads/Pack 19010 (4 sq/in)

Up to 100x more holes and 8x faster than titanium or black oxide coated drill bits Super-hard Mach-Blue Armor Plating retains sharper cutting edges, and reduces heat build-up and cutting friction Durable drill bit for long drill life, precision holes, and increased speed and productivity in tough-to-drill applications Impact-rated 1/4-in speed hex... morewon't slip in conventional 3-jaw chucks and is ideal for use in quick change impacting power tools Optimized 137-degree self-centering split point cut