Carmex Thread Mills Mini Type - Through Coolant - UN (UNC UNF UNEF UNS) - No. 3, No. 4 x 48 - MT7 Tiny Tool Inserts TiAlN-coated and designed for close-quarters

TiAlN-coated and designed for close-quarters machining

Materials: Effective on steel

repeatable metric threads in metalworking projects

Carbide-tipped for extended tool life: The K10 carbide tip delivers superior wear resistance and maintains precise hole sizing across multiple reaming passes

Efficient Chip Evacuation with 45° Helix: The 45° helix geometry facilitates smooth chip flow

Carmex Thread Mills Mini Type - Through Coolant - UN (UNC UNF UNEF UNS) - No. 3, No. 4 x 48 - MT7 Tiny Tool Inserts TiAlN-coated and designed for close-quartersCarmex 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