Drillco Series 500E 1/4" Dia X 4" Bronze Finish General purpose Jobber Length Drill Bit with straight shank is made of cobalt that provides long durability when drilling hard materials. Drill bit with 2 3/4" spiral flute has a 135 deg split point that helps to penetrate hard material without a pilot hole and produces small chips to reduce clogging. It has heavy-duty construction that meets type J aircraft specifications. cobalt offers improved performance when cutting harder metals such as stainless steel or nickel alloys. It offers maximum lubrication and provides wear resistance. It conforms to ANSI specifications. Spiral fluted tool eliminates chips and reduces clogging. It is sold as 12 per pack.
Features
Cobalt steel that provides extended tool life when drilling hard materials
Cobalt steel offers improved performance when cutting harder metals such as stainless steel or nickel alloys