RUKO's 101060E step drill bit features a high-speed steel cobalt alloy design with a triangular shank, ensuring durability and efficient performance. With a 6 to 37 mm size range and 100 mm total length, it is ideal for creating precise holes in sheet metal. Suitable for industrial applications, its quick-helix design enhances drilling speed and accuracy. https://elecena.pl/product/28443625/ruko-101060e-step-drill-bit-6-37mm-hsse-co-5-triangular-shank 2025-04-16 https://elecena.pl/product/28443625/ruko-101060e-step-drill-bit-6-37mm-hsse-co-5-triangular-shank 2026-07-04