29 mm diameter is an HSS-E (M35 cobalt) tool designed for precise hole finishing with ISO H4 tolerance
The combination of robust M2 HSS composition
It features a straight shank (10 mm) with a flute length of 28 mm and an overall length of 80 mm
It delivers clear pass/fail results for external threads and supports consistent
designed for reliable bore finishing in a wide range of workshop tasks
Carmex Carbide Tiny Tool - Threading - MIR - ACME - BXC Grade - 6mm Minimum Diameter x 20mm Reach Shrink Fit Holders 29 mm diameter is anMeet the Carmex Carbide Tiny Tool for Small ThreadingMIR ACME. This precision tool is designed for small diameter threading tasks, using an ACME thread design to create accurate trapezoidal threads in miniature parts, fixtures, and assemblies. Its ideal for machinists, engineers, and hobbyists who need dependable performance in tight spaces. Built from premium grade carbide (BXC grade), it offers excellent durability, wear resistance, and long tool