Step drills are a universal drilling tool used for sheet metal or metal plates. Each step drill can be used for drilling a wide range of diameters; the deeper the drill is plunged, the wider the steps become. Each step on a step drill is a given length meaning the right step drill much be selected for the thickness of the plate or sheet being drilling. Step drills can only be used for drilling nominal diameters (e.g. 6mm, 7mm, 8mm etc)
Tube and sheet drills are similar to step drills but do not have steps, instead they are a smooth conical shape and can be used for drilling incremental diameters by plunging to the correct depth (e,g, 6.1mm, 6.3mm, 8.4mm).
Karnasch Step Drills and Tube & Sheet Drills are extremely good quality, German made drills ideal for sheet metal and plate drilling. Step drills are available in a wide range of step sizes and diameters, in either uncoated or coated HSS Cobalt. Buy online today.
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