Drilling Diameter: 35mm / 1-3/8", 50mm / 1-31/32", 60mm / 2-3/8"Shank Size: 10mm / 3/8"Drilling Depth: 65mm / 2-9/16"Total Length: 90mm / 3-9/16", 95mm / 3-3/4", 95mm / 3-3/4"Upgraded Design: 3 Flutes, 4 SpursShank Type: Round Shank3pcs Forstner Drill Bits1. Heat-treated tungsten carbide tips provide excellent hardness and toughness, wear resistance and heat resistance for long-lasting performance and extended tool life. The sprayed coating has a smooth, even surface that resists rust and corrosion.2. Upgraded 3-flute 4-spur forstner drill bit facilitates efficient chip evacuation and reduces cutting resistance, helping to create a cleaner entry hole and providing better stability. The extra flutes and spurs allow for a more precise and smoother drilling, making it suitable for projects that require high precision and a high finish.3.
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