MARXBORE™ Jobber Length Drill Bit, Heavy Duty, Series: 384, Imperial, #30 Drill - Wire, 0.1285 in Drill - Decimal Inch, 2-3/4 in Overall Length, 1-5/8 in Cutting Depth, Standard Flute, 1-5/8 in Flute Length, 0.128 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