Carmex Thread Mills Mini Type - Through Coolant - UN (UNC UNF UNEF UNS) - No. 3, No. 4 x 48 - MT7 Tiny Tool Inserts and ISO H4 tolerance are

and ISO H4 tolerance are engineered for consistent results

Re-borability: Soft collet design that can be bored to a specific size

repeatable metric threads in metalworking projects

TiAlN-coated and designed for close-quarters machining

reducing the risk of built-up edge and thread inaccuracies

Carmex Thread Mills Mini Type - Through Coolant - UN (UNC UNF UNEF UNS) - No. 3, No. 4 x 48 - MT7 Tiny Tool Inserts and ISO H4 tolerance areCarmex Mini Type thread mills with an internal through coolant bore are precision solid carbide cutters designed for reliable UN UNC UNF UNEF UNS threading. Sized No. 3 and No. 4 with a 48 mm length and MT7 shank, theyre built for tight spaces and demanding production environments. Solid carbide construction: High hardness, wear resistant cutter designed for accurate, repeatable threads in challenging materials. Through coolant bore: Internal cooling