Ace Spot Drill 99688 high-speed center hole machining, F feed rate is up to 2000mm/min, and 2 center holes drilled per second. The cutting insert type design enables quick tool change, and is the best choice for production lines in an age of labor shortage. The Ace Spot Drill 99688 cover wide range of material processing: steel material center hole machining, quenched and tempered steel center hole machining, aluminum alloy center hole machining, copper alloy center hole machining, stainless steel center hole machining, there are corresponding cutting insert to choose from.
