Carmex Carbide Threading Insert - ABUT - TiAlN Coated - 30-16ABUTThe Carmex Carbide Threading Insert ABUT TiAlN Coated (model 30 16ABUT) is a versatile threading solution designed for machinists and production shops needing reliable performance across a wide range of common thread profiles. Five length options: available in lengths from 12 mm to 40 mm to fit diverse toolholders and applications. Wide pitch compatibility: capable of handling pitches from 0. 5 mm (32 TPI) to 6. 0 mm (4 TPI) for versatile threading