230-SD Perfect for making holes in thin metal sheets.Titanium-nitride coated step cone drill bit, with a hardened surface allowingthe tool to last 4 to 5 times longer than a regular cone...
230-SD Perfect for making holes in thin metal sheets.Titanium-nitride coated step cone drill bit, with a hardened surface allowingthe tool to last 4 to 5 times longer than a regular cone...