YG-1 Jobber Length Drill Bit, Series: D1GP182, Imperial, 29/64 in Drill - Fraction, 0.4531 in Drill - Decimal Inch, 5-5/8 in Overall Length, 4-3/16 in Cutting Depth, Spiral Flute, 4-3/16 in Flute Length, 29/64 in Shank, Straight Shank, 135 deg Point, Split Point, Right Hand Cutting Direction, HSS Cutting Edge, HSS, Gold-P/TiN Coated, Applicable Materials: Alloyed and Non-Alloyed Cast Steel, Gray Cast Iron, Graphite and Malleable Cast Iron/Steel