The BlueSpot HSS Step Drill is manufactured from high-speed steel for increased durability and cutting power. Titanium coated to reduce friction and heat. With 10 Steps: 4-22mm in 2mm increments. Specially designed for precision drilling of holes in aluminium, brass, copper, plastic, steel and wood. https://elecena.pl/product/27271972/bluespot-tools-32050-hss-step-drill-4-22mm 2024-11-14 https://elecena.pl/product/27271972/bluespot-tools-32050-hss-step-drill-4-22mm 2025-03-16 https://elecena.pl/product/27271972/bluespot-tools-32050-hss-step-drill-4-22mm 2025-03-27 https://elecena.pl/product/27271972/bluespot-tools-32050-hss-step-drill-4-22mm 2026-05-10