The Ruko 102173T Countersink is a high-speed steel machining tool with a 37 mm size and a TiN coating. Manufactured by Ruko, it is designed for precision countersinking tasks in various machining applications. Ideal for deburring and chamfering, it ensures a smooth finish on metal surfaces. https://elecena.pl/product/28443576/ruko-102173t-countersink-37mm-hss-tin-sharp-durable-cooling-advised 2025-04-16 https://elecena.pl/product/28443576/ruko-102173t-countersink-37mm-hss-tin-sharp-durable-cooling-advised 2026-07-04