Description of DEWALT DWACM1802 Metal Carbide Holesaw
Metal hole saw has carbide teeth for long life in material. Hole saw kit has an ejection spring for easy plug ejection. Raised shoulder of the hole saw set helps prevent break through. Optimized tooth design for fast drilling speed. Optimized pilot bit for long life in metal.
I've been an electrician for 12 years and ALWAYS use Greenly, nothing more. They have proven to be the best and fastest carbide tip, counter saw and J-Box saws I have used to date.