CMT 552-706, Dia-mond Dry Hole Saws, 1/4" WAYNE Noise Reduction Rating (NRR) of

Noise Reduction Rating (NRR) of 32 db provides hearing protection

and functionality

standard white

5" diameter aluminum shade

Thankfully

CMT 552-706, Dia-mond Dry Hole Saws, 1/4" WAYNE Noise Reduction Rating (NRR) ofDIAMOND DRY HOLE SAWS 552 7 SUGGESTIONS FOR USE: Turn on the drilling machine to start tool rotation. Begin drilling approximately at a 30 angle this is the angle measured between the hole saw and the working surface. Cutting at an angle will prevent tool slippage, allow for perfect centering and increase cutting precision. To gain improved stability through the drilling process, it is advised to rest the drilling machine on the working surface.