The PFERD 25201046 Step drill bit set includes three high-speed steel drill cones with step sizes ranging from 4 to 30 mm. These are ideal for precise drilling in various materials, such as metal and plastic. Suitable for use in sheet metalworking and electrical installations, providing clean and precise holes. https://elecena.pl/product/28053036/pferd-25201046-step-drill-bit-set-3-hss-bits-430-mm-in-case 2025-03-21 https://elecena.pl/product/28053036/pferd-25201046-step-drill-bit-set-3-hss-bits-430-mm-in-case 2026-07-06