Ruko produces the 102125E Countersink, which has a 31.0 mm diameter and is made from HSSE-Co 5, ensuring durability and precision. This countersink features a cylinder shank and is commonly used in machining for creating clean, precise countersunk holes. It is ideal for both professional and DIY applications requiring accurate and efficient performance. https://elecena.pl/product/28443581/ruko-102125e-countersink-31mm-hsse-co5-sharp-edges-for-burr-free-work 2025-04-16 https://elecena.pl/product/28443581/ruko-102125e-countersink-31mm-hsse-co5-sharp-edges-for-burr-free-work 2026-06-11 https://elecena.pl/product/28443581/ruko-102125e-countersink-31mm-hsse-co5-sharp-edges-for-burr-free-work 2026-07-04 https://elecena.pl/product/28443581/ruko-102125e-countersink-31mm-hsse-co5-sharp-edges-for-burr-free-work 2026-08-20