Description
Professional step drill set for commercial or occasional use 4mm - 45mm step drillStep drills offer a significant advantage over cone drills because they offer a positive stop when a hole reaches a certain sizeCuts a perfectly round hole in sheet metalSaves time as you don’t have to keep changing the dill size for a larger hole to be drilledWorks perfectly on drilling holes in a number of materials including steel, copper, aluminium, plastic etc... Self – starting penetrate, no working and no pilot drill requiredManufactured from HSS for maximum strength and durability12mm flat shanks so suitable for use in most drilling machines, whether, electric, battery or airTotal length of the shank – 25mm Double flutes make a perfectly round hole and automatically deburr as you drillFor complete performance each time please ensure that the drills are well lubricated, especially when drilling aluminiumHRC 62 DrillsSelf starting designINCLUDES THE FOLLOWING SIZE DRILLS / STEPS•DRILL STEPS – 4mm, 6mm, 9mm, 12mm, 15mm, 18mm, 21mm, 24mm, 27mm, 30mm, 33mm, 36mm, 39mm, 42mm and 45mm.
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