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Highlights
What is Step Drill Bit
· Step drill bits can be used with metal and wood.
· Useful for drilling pilot holes in woodworking and sheet metal-based projects.
· Allows drilling holes of multiple sizes with same drill bit; can be used to clean away waste material in holes.
Titanium nitride (TiN) coating is wear resistant, inert and reduces friction. Use it
on cutting tools, punches, dies and injection mold components to improve tool life
two to ten times, or more, over uncoated tools.
Photos
Color : as picture show. Material :High speed steel(Suitable for use in the hardness below 25 degrees of workpiece, such as carbon steel, aluminum parts). Surface treatment : Titanium Plated. Scop : thin iron plate,aluminum,insulation panels,PVC panels 5mm thickness within the timber. Tyep:5steps(4mm,6mm,8mm,10mm,12mm). Shank:6.35mm 1/4" Triangular handle.
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