MARXBORE Jobber Length Drill Bit, Heavy Duty, Series: 384, Imperial, 11/32 in Drill - Fraction, 0.3438 in Drill - Decimal Inch, 4-3/4 in Overall Length, 3-7/16 in Cutting Depth, Standard Flute, 3-7/16 in Flute Length, 11/32 in Shank, Straight Shank, 135 deg Point, Split/Self-Centering Point, HSS Cutting Edge, No Through Coolant, HSS, Black/Gold Oxide, Applicable Materials: Alloy Steel, Aluminum Alloy, Cast Iron, Composites, Copper Alloy, Low Carbon Steel, Magnesium Alloy, Medium Carbon Steel, Plastic, Stainless Steel, Titanium Alloy, Tool and Die Steel