High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications Round shanks allow use with a wide variety of toolholding systems When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging UPC 086071186683 ASIN B002090F86 Model 018668 Brand Name Precision Twist Drill Shank Type Round Unit Count 12.0 Count Part Number R18PN68 Finish Types Uncoated Manufacturer Precision Dormer Material Type High Speed Steel (HSS) Tool Flute Type Spiral Cutting Diameter 0.03 Inches Cutting Angle String 118 Degrees Surface Recommendation Alloy Steel Global Trade Identification Number 00086071186683