Carmex Thread Mills Carbide Mini Type - UN (UNC UNF UNEF UNS) - No. 10 x 32 - MT7The Carmex Thread Mills Carbide Mini Type is a precision threading tool designed for UN thread families, ideal for machinists who need reliable internal and external threads in tight spaces and across a range of materials. Size: No. 10 32 (diameter No. 10 with 32 mm length) to tackle standard UN thread forms. Coating and grade: MT7 submicron carbide with Titanium Aluminium Nitride multilayer coating (ISO K10K20) for exceptional wear resistance.