NSF and IAPMO to standards that include: CSA B181
meets ansi standards & is ul classified
Induction hardened cutting edge stays sharper
Installation is simple with the versatile wall and ceiling mount and the easy slide-in mounting bracket
Countersink, Tapered, #8 Wood Fire Extinguisher NSF and IAPMO to standards#8 wood countersink, tapered drill, features widened flutes for drilling fast, clean pilot holes, 4 cutter, adjustable counter bore cuts & clears chips for fast, smooth countsinking, counter bore attaches securely to the flats on the shank with hex screws & adjusts for controlled pilot hole depth, 1 4" quick change shank reduces slipping in standard chucks, compatible with all 1 4" quick change chucks including impact drills, use for fine woodworking