Carmex Thread Mills Carbide - Through Coolant (Flutes) - UN (UNC UNF UNEF UNS) - 5/16 x 18 - MT7 Spot Drill The through-coolant design keeps cutting

The through-coolant design keeps cutting edges cooler

Operating at up to 25

ISO H5 tolerance on HSS (M2): Finishes holes to -0 to +0

repeatable checks that reduce guesswork and rework

and small shops that demand reliability when threading holes by hand

Carmex Thread Mills Carbide - Through Coolant (Flutes) - UN (UNC UNF UNEF UNS) - 5/16 x 18 - MT7 Spot Drill The through-coolant design keeps cuttingThe Carmex MTZ Through Coolant Carbide Thread Mills are engineered for precise threading in through holes, delivering coolant directly through the tools flutes to the cutting edge for smoother, more efficient cuts. Designed to handle UNC, UNF, UNEF, and UNS threads, this MT7 shank tool is built for reliability in demanding metalworking environments. Through Coolant Flute Design: Delivers coolant directly to the cutting edge through the flutes, helping