The BlueSpot HSS Step Drill is manufactured from high-speed steel for increased durability and cutting power. With 14 Steps: 2mm (4-6mm) and 3mm (9-42mm) increments. Titanium coated to reduce friction and heat. Specially designed for precision drilling of holes in aluminium, brass, copper, plastic, steel and wood. https://elecena.pl/product/27272025/bluespot-tools-20506-hss-step-drill-4-42mm 2024-11-14 https://elecena.pl/product/27272025/bluespot-tools-20506-hss-step-drill-4-42mm 2025-03-16 https://elecena.pl/product/27272025/bluespot-tools-20506-hss-step-drill-4-42mm 2025-03-27 https://elecena.pl/product/27272025/bluespot-tools-20506-hss-step-drill-4-42mm 2026-05-10 https://elecena.pl/product/27272025/bluespot-tools-20506-hss-step-drill-4-42mm 2026-07-17