MOLDINO Carbide Coated Drill Countersink Borer ZPB0550-TH ZPB0550-TH 1 piece

Catalog number: ZPB0550-TH Features: ●The tip angle is 180° (flat), so countersinking can be performed not only on flat surfaces but also on inclined surfaces. ●The special blade shape reduces chipping and chipping of the cutting edge, allowing for stable processing. Applications: ●Workpiece: General steel, gray cast iron, aluminum. Specifications: ●Blade diameter (mm): 5.5 ●Groove length (mm): 22 ●Total length (mm): 60 ●Shank diameter (mm): 6 ●Effective processing depth: Blade diameter 6mm or less 2D (blade diameter x 2 times), blade diameter 7mm or more 1.5D (blade diameter x 1.5 times) ●Surface treatment: TH coating ●Tip angle 180° ●TH coating ●Special groove shape Material/Finish: ●Carbide