The PFERD 25202154 countersink set is manufactured using high-speed steel (HSS) for durability and precision. It features a 90-degree angle design compliant with DIN 335 standards, making it ideal for machining applications. This tool is commonly used for creating clean, conical holes in materials before inserting screws or fasteners. https://elecena.pl/product/28052985/pferd-25202154-countersink-set-hss-90-xb0-for-steel-and-non-ferrous-metals 2025-03-21 https://elecena.pl/product/28052985/pferd-25202154-countersink-set-hss-90-xb0-for-steel-and-non-ferrous-metals 2026-07-06