CRL No. 21 Wire Gauge "Stubby" Drill Bit - 20121
These surface treated, short length CRL Stubby Drills are popularly known as "Stubbies." They have short flutes and short overall length for maximum rigidity, and have 135 degree split points for easier starting and use in sheet metal. Wire gauge size is the same as fractional sizes except where more exact sizing is required; decimal equivalents shown in inches.