Ruko manufactures the 101352 Step Drill Bit Set, known for its high-speed steel construction and triangular shank. Designed for quick drilling in sheet metal, the set includes three bits ranging from 4 to 30 mm. This tool is ideal for creating precise holes in various metal materials. https://elecena.pl/product/28443614/ruko-101352-step-drill-bit-set-3-piece-4-30mm-hss-triangular-shank 2025-04-16 https://elecena.pl/product/28443614/ruko-101352-step-drill-bit-set-3-piece-4-30mm-hss-triangular-shank 2026-06-11 https://elecena.pl/product/28443614/ruko-101352-step-drill-bit-set-3-piece-4-30mm-hss-triangular-shank 2026-07-04 https://elecena.pl/product/28443614/ruko-101352-step-drill-bit-set-3-piece-4-30mm-hss-triangular-shank 2026-09-13