1、Spiral Chip Removal: Spiral chip removal design, unhindered chip removal, pointed grooves position, fast cutting, high drilling efficiency 2、High Speed Steel: Drill bit is made of high quality high speed steel material, high hardness, stable performance, pointed and durable 3、118° Incisive Angle Design: This straight shank drill uses a 118° incisive angle design, which can quickly and accurately drill holes, saving time and effort 4、Incisive Blade Cutting Edge: This is a drill with incisive blade cutting edge, which can meet different cutting accuracy 5、Application: Suitable for iron, aluminum, copper, stainless steel, high speed steel, manganese steel, various hardened steel parts