Carmex Thread Mills Solid Carbide - Internal Thread - Metric - M6, M8 x 1 - MT7The Carmex MT7 Solid Carbide Internal Thread Mills are built for precise metric threading inside holes, delivering reliable performance for a range of metalworking applications. This line is designed for shops that prioritize accuracy, efficiency, and cost effectiveness in thread production. Solid carbide construction: Rugged, wear resistant body that holds its edge through repeated threading passes, even in tough materials. Internal thread milling