MULTIPURPOSE - Perfect for machining centers and CNC lathes, great for professionals and DIY enthusiasts working with stainless steel, aluminum, iron, alloy steel, copper, plastic, and wood.WHAT YOU GET - A 4-piece set of twist drill bits. Each bit features a 1.8mm (0.071") drilling diameter, 20mm (0.79") flute length, 40mm (1.57") overall length, and a 1.8mm (0.071") straight shank.RELIABLE MATERIAL - Manufactured from medium grain C2/K20 Tungsten Carbide, offering exceptional hardness (HRA89), high toughness, superior wear resistance, and a longer tool life with faster cutting speeds compared to other materials.SPECIAL DESIGNED - The uncoated substrate ensures wide application range. The spiral flute design enables fast and clean chip removal, while the sharp cutting edge provides smooth, precise drilling.
eBay