HSS drilling straight holes in wood

HSS drilling straight holes in wood The straight shank double-layer drill, also commonly known as the straight shank step drill or the two-stage step drill, is a drilling tool with a special design. The straight shank double-layer drill is a drill with a straight shank and a double-layer stepped cutting part. Scope of application: The straight shank double-layer drill is suitable for drilling a variety of materials, including but not limited to stainless steel, aluminum alloy, cast iron, copper, alloy steel, etc. At the same time, it is also particularly suitable for drilling thin steel plates within 3mm. Features: Simplify the drilling process: Through a single drilling operation, holes of different diameters can be processed without changing the drill bit or drilling positioning holes. Improve work efficiency: Reduce the time for changing the drill bit and positioning holes, thereby improving drilling efficiency. Enhanced stability: The straight shank design helps to maintain the s…

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