Irwin Straight Shank Zinc Carbide Tipped Rotary Drill Bit 1/2 x 4 L in. Size:1/2" x 4" 30 feeding holes

30 feeding holes

2" Length - 1000 count - For use with Surebonder 9750

With 3 nuts

Handle(s): Single Handle Lever

Body & Cab Panels From -80 Degree F To 500 Degree F

Irwin Straight Shank Zinc Carbide Tipped Rotary Drill Bit 1/2 x 4 L in. Size:1/2" x 4" 30 feeding holes2X longer life than traditional masonry bits Maximized flute for faster, more efficient dust removal 2X more carbide in tip for 2X longer drilling life in rebar reinforced concrete Optimal groove design minimizes friction for increased speed and longer life Blue power ring for easier identification in the toolbox Premium steel improves core strength for maximum durability and extended life