BIC TOOL Moonlight drill for machining 8.4mm GM-8.4S 1 piece

Catalog number: GM-8.4S Features: ●High-speed machining with electric drills and cutting with machine tools such as MC and NC are possible. ●A unique crescent shape is used at the tip of the cutting edge, achieving amazing sharpness, more than three times the drill life, improved back burrs, and improved cutting speed. (Tip shape: patented). ●The center of the processed hole is stable, and the hole penetrates in a perfect circle from the biting stage. Applications: ●Cutting materials: Stainless steel, carbon steel, general steel, cast iron, and aluminum. Specifications: ●Blade diameter (mm): 8.4 ●Groove length (mm): 37 ●Total length (mm): 87 ●Shank diameter (mm): 10 ●Effective machining depth: 3D (blade diameter x 3 times) Material/Finish: ●Powdered high-speed steel