This 4.5mm HSS-Co cobalt twist drill from Heller is equipped to tackle the toughest drilling jobs in stainless steel and metal. It is made from a special HSS steel with a 5% cobalt content. Sold singly. * Suitable for metal, non-ferrous metal, stainless steel * Split point and 135° point angle for optimum, extremely accurate starting * Precision tool compliant with DIN 338 RN for outstanding accuracy * Length 80mm * Weight 9.5g https://elecena.pl/product/27225361/heller-21231-1-0990-hss-co-cobalt-twist-drill-din-338-rn-4-5mm-single 2024-11-11 https://elecena.pl/product/27225361/heller-21231-1-0990-hss-co-cobalt-twist-drill-din-338-rn-4-5mm-single 2025-06-10 https://elecena.pl/product/27225361/heller-21231-1-0990-hss-co-cobalt-twist-drill-din-338-rn-4-5mm-single 2026-05-04 https://elecena.pl/product/27225361/heller-21231-1-0990-hss-co-cobalt-twist-drill-din-338-rn-4-5mm-single 2026-07-11