STAIRS DRILLS WITH 3 CUTTING EDGES HSS AND HSS TiN, RUKOStep drills CBN grinded, helical reversed with cross grinding. Gives an absolutely stable and silent work, well suited to work in a lot of materials. NE-metals.
STEP DRILL HSS NOT POINTEDStep drills CBN grinded. Without point. The ideal tool for working on metal sheets in the electrical industry, plumbing, automotive, mechanical engineering, aerospace and manufacturing of electrical cabinets.
STAIRS DRILLS HSSStep drills CBN grinded, helical reversed with cross grinding. The ideal tool for working on metal sheets in the electrical industry, plumbing, automotive, mechanical engineering, aerospace and manufacturing of electrical cabinets.