Carmex Thread Turning Internal Insert - UN (UNC,UNF,UNEF,UNS) - Left Hand - 27IL4.5UNBMA Boring Bar Blank while the 80-tooth geometry provides

while the 80-tooth geometry provides a clean face on metals such as steel

including E1 and E2 smaller-tool variants

The hollow-ground bore improves alignment and reduces heat buildup at the cut

Built on a carbide (K10) core and a stub-length body

repeatable results and reduces the need for secondary finishing

Carmex Thread Turning Internal Insert - UN (UNC,UNF,UNEF,UNS) - Left Hand - 27IL4.5UNBMA Boring Bar Blank while the 80-tooth geometry providesCarmex Thread Turning Internal Insert UN (UNC, UNF, UNEF, UNS) Left Hand 27IL4. 5UNBMA is a highperformance internal threading insert designed for UN thread standards. It belongs to our industryleading range of thread turning inserts and is built to handle a broad spectrum of tasksfrom basic through to demanding applications. Universal UN thread coverage: One insert supports UNC, UNF, UNEF, and UNS, letting you tackle most internalthread jobs without