Reverse Counterbore: 5/8" Dia, 3/16" Pilot Hole, 4 Flutes, High Speed Steel MPN:190-7J

This high speed steel reverse counterbore cutter is designed to remove material and create a countersink in one operation reducing time and labor costs. Perfect for automotive or aviation industry professionals requiring precision engineering, the reversed counterbore comes equipped with four flutes providing rapid chip removal while the 5/8 diameter ensures clean and accurate drilling of pilot holes in any metals such as steel or stainless. An essential tool for engineers, the reversed counterbore guarantees high quality results on projects requiring counter boring and countersinking operations.