135 deg (degree) split point tip starts on contact to prevent walking, while the parabolic flute clears chips fast. 3-Flat Secure-Grip shank holds the bit firmly in the drill chuck. Black oxide coating provides lubricity and resists corrosion of the bit. Reduced shank diameter for use in 1/2" chucks. For use in metal, wood, plastic. No. 48-89-2739: Size: 17/32 In., Length: 6 In., Material: Black Oxide, Shank Diameter: 1/2 In. Reduced 3-Flat, Drilling Depth: 3 In., Tip Angle: 135 Degree, Pkg Qty: 1, Package Type: Card No. 48-89-2740: Size: 9/16 In., Length: 6 In., Material: Black Oxide, Shank Diameter: 1/2 In. Reduced 3-Flat, Drilling Depth: 3 In., Tip Angle: 135 Degree, Pkg Qty: 1, Package Type: Card No. 48-89-2742: Size: 5/8 In., Length: 6 In., Material: Black Oxide, Shank Diameter: 1/2 In. Reduced 3-Flat, Drilling Depth: 3 In., Tip Angle: 135 Degree, Pkg Qty: 1, Package Type: Card No. 48-89-2744: Size: 11/16 In., Length: 6 In., Material: Black Oxide, Shank Diameter: 1/2 In. Reduced 3-Flat, Drilling Depth: 3 In., Tip Angle: 135 Degree, Pkg Qty: 1, Package Type: Card No. 48-89-2745: Size: 23/32 In., Length: 6 In., Material: Black Oxide, Shank Diameter: 1/2 In. Reduced 3-Flat, Drilling Depth: 3 In., Tip Angle: 135 Degree, Pkg Qty: 1, Package Type: Card No. 48-89-2746: Size: 3/4 In., Length: 6 In., Material: Black Oxide, Shank Diameter: 1/2 In. Reduced 3-Flat, Drilling Depth: 3 In., Tip Angle: 135 Degree, Pkg Qty: 1, Package Type: Card No. 48-89-2748: Size: 13/16 In., Length: 6 In., Material: Black Oxide, Shank Diameter: 1/2 In. Reduced 3-Flat, Drilling Depth: 3 In., Tip Angle: 135 Degree, Pkg Qty: 1, Package Type: Card No. 48-89-2750: Size: 7/8 In., Length: 6 In., Material: Black Oxide, Shank Diameter: 1/2 In. Reduced 3-Flat, Drilling Depth: 3 In., Tip Angle: 135 Degree, Pkg Qty: 1, Package Type: Card No. 48-89-2754: Size: 1 In., Length: 6 In., Material: Black Oxide, Shank Diameter: 1/2 In. Reduced 3-Flat, Drilling Depth: 3 In., Tip Angle: 135 Degree, Pkg Qty: 1, Package Type: Card No. 48-89-2755: Size: 1-1/16 In., Length: 6 In., Material: Black Oxide, Shank Diameter: 1/2 In. Reduced 3-Flat, Drilling Depth: 3 In., Tip Angle: 135 Degree, Pkg Qty: 1, Package Type: Card