Product Details:

Wire Gauge Sizes.

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 135º 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.

Wire Gauge No.: 21