Irwin® Jobber Length Drill Bit, Multi-Material, Series: 1792, Imperial, Drill Size - Fraction: 1/2 in, Drill Size - Decimal Inch: 0.5 in, 5 in Overall Length, 4 in Cutting Depth, 2 Flutes, Spiral Flute, 4 in Flute Length, 1/2 in Shank, Straight Shank, 135 deg Point, 4-Facet/Split Point, Right Hand Cutting, Diamond Ground Carbide Cutting Edge, Through Coolant (Yes/No): No, HSS, Bright, Applicable Materials: Block, Brick, Marble, Metal, Plastic, Tile and Wood