Automatic Center Punch, Length 4 in, Diameter 9-16 in, Replaceable Point 18AA

The STARRETT 18AA is an automatic center punch used to make starting marks in metal, plastic, and wood. It has a steel body with a knurled handle for grip, a round shank, and a 4 in overall length. The internal mechanism delivers a blow when downward pressure is applied, and the adjustable cap allows the blow force to be regulated. Key Features of the STARRETT 18AA Automatic Center Punch: Automatic Operation: Internal mechanism strikes when downward pressure is applied. Adjustable Blow Force: Knurled cap adjusts the force of the blow. Uniform Marking: Spring tension regulates consistent mark depth and size for each setting. Replaceable Point: Point can be removed for regrinding or replacement. Steel Construction: Handle and body are made of steel. Knurled Grip: Knurled finish provides a more secure handhold. Size: 4 in overall length with a 9/16 in diameter shank. Point Style: Point tip with 0.007 in point size. Material Applications: For use on metal, plastic, and wood.