Description:Standard and one-piece forming designs make this drill bit have strong compatibility, and with the high-quality material, it has higher wear-resistant and longer service life.Equipped with the deep spiral groove, this drill bit has the functions of efficient chip removal, rapid heat dissipation and anti-burning, it also has close occlusion and high bearing capacity.This drill bit is made of tungsten steel, which is anti-rust and durable.There are different sizes for you to choose, including 2.3mm, 2.4mm, 2.6mm, 2.8mm, 2.9mm, 3.0mm, 3.1mm and 3.2mm.It is suitable for the drilling works of copper, iron and other hard materials.Item Name: Tungsten Drill BitMaterial: Tungsten SteelFeatures: Good Hardness, High-strength, Fast Chip RemovalSize Details: Head Length: 23mm/0.91" (Approx.) Total Length: 45mm/1.77" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Drill Bit