Carmex Carbide Threading Insert - PG - TiAlN Coated - 21-16PG ER Mini Collet Chucks ISO H5 tolerance with BS

ISO H5 tolerance with BS 328/4 compliance: Delivers a precise bore size (-0/+0

Its robust steel construction withstands frequent handling on crowded shop floors

and predictable quality

Left-Hand UNF Compatibility: Specifically engineered for left-hand threads

is a precision finishing tool designed for reliable bore sizing in production environments

Carmex Carbide Threading Insert - PG - TiAlN Coated - 21-16PG ER Mini Collet Chucks ISO H5 tolerance with BSCarmex Carbide Threading Inserts in PG size with TiAlN coating deliver a durable, versatile solution for precision threading across common profiles. Built for professional shops and serious hobbyists, these inserts prioritize reliability, edge life, and consistent results in a compact, easy to use package. Coating: TiAlN coated carbide for enhanced hardness, heat resistance, and extended edge life during high speed threading. Material: Carbide