TiN HSS step drill bit for burr-free drilling and reaming of metal sheets, pipes and profiles. Drill hole diameter: 6-30 mm Gradient: 2 mm TiN coating Area of use: Steel, Cr-Ni steel, non-ferrous metals, acrylic glass and plastic up to a wall thickness of 5 mm. With two cutting edges and a fixed centring tip. The hole diameters are signed by laser in both grooves. The scale is legible when the tool is rotating. With a chamfer-planer zone for deburring on both sides in one pass. The innovative ''ROTASTOP" comfort shank provides optimum torque transmission. https://elecena.pl/product/17884944/7013-tin-hss-step-drill-bit-6-30mm-gradient-2-mm 2021-04-26 https://elecena.pl/product/17884944/7013-tin-hss-step-drill-bit-6-30mm-gradient-2-mm 2021-10-21 https://elecena.pl/product/17884944/7013-tin-hss-step-drill-bit-6-30mm-gradient-2-mm 2022-10-15 https://elecena.pl/product/17884944/7013-tin-hss-step-drill-bit-6-30mm-gradient-2-mm 2024-03-02 https://elecena.pl/product/17884944/7013-tin-hss-step-drill-bit-6-30mm-gradient-2-mm 2025-02-02 https://elecena.pl/product/17884944/7013-tin-hss-step-drill-bit-6-30mm-gradient-2-mm 2025-04-16 https://elecena.pl/product/17884944/7013-tin-hss-step-drill-bit-6-30mm-gradient-2-mm 2026-02-01 https://elecena.pl/product/17884944/7013-tin-hss-step-drill-bit-6-30mm-gradient-2-mm 2026-03-04 https://elecena.pl/product/17884944/7013-tin-hss-step-drill-bit-6-30mm-gradient-2-mm 2026-07-23