Kennedy Professional Varipitch Rotary Bit Set  (9 Bits)

Description: For producing high-quality holes in wood steel brass bronze cast iron aluminium and plastic. Featuring a very aggressive cutting action and M3 HSS cutting teeth to give a very smooth finish. Cuts up to 40percentage faster than constant pitch saws. The varying tooth pitch gives substantial reductions in noise by disrupting harmonics produced when sawing materials such as tubing angle etc. Improved swarf clearance is also achieved requiring less effort to complete each cut. Tooth life is greatly extended as is battery life when used with a cordless drill. Suitable for all uses engineering construction and maintenance. 4 to 6 teeth per inch. 28.5mm 1 18 cutting depth. Features: - Service Engineers Kit 9 Pieces - Comprises of 22 29 35 44 51 and 64mm variable pitch bi-metal high-speed steel holesaws with hardened cutting edges K7 spring K4 and K10 arbours with pilot drills. - Supplied in a robust plastic carry case.