HSS step drills for drilling and deburring thin sheets, pipes and profiles made from various materials. All step drills are equipped with a three-surface shaft for secure torque transmission. Technical data: https://elecena.pl/product/29321775/25201037-hss-step-drills-04-20-8 2025-09-01 https://elecena.pl/product/29321775/25201037-hss-step-drills-04-20-8 2026-02-07