Ronix RH-5351~5371 M2 Drill Bit set containing 23 pieces of bit ranging from 3mm to 13 mm, are coated with titanium to increase durability of the bits and its resistance in the job site. These metal bits are made with high-speed steel which belongs to the category of steel tools. These heat-resistance HSS bits are mostly used for drilling low-hardness woods, soft metals like aluminum, generally for home repairs and light jobs, with great cutting speed. Ronix RH-5351~5371 is fully accurate and it performs very well due to its precise ground point, helical flutes which help bits to get the swarf out of the hole easily, body, clearance and drill diameter and lastly 118-degree point configuration ideal for general purpose drilling usages.This Ronix product is designed to give the user more control over the object being drilled, there is also no bit walking on the job surface and fatigue-causing elements are almost eliminated to provide the operator with less force over the bit and more control power along the full working surface of the bit.This 23 pcs set is a good set of accessories for your hammer drill and it can be used with electric or cordless drills. Ronix company has manufactured this set according to DIN 338 standard which is a standard approved and passed by a German institute for standardization, according to DIN 338, the material used for production of these drill bits is exclusively manufactured for hammer drill’s bits. Each bit in Ronix RH-5351~5371 M2 Drill Bit set is designed and manufactured for a specific purpose, they are very well designed, having straight shanks which help to avoid walking, skating and skidding on the surface and also decrease the need for a center punch.You will enjoy the sharp and to the point drilling power with these bits. Each drill bit in this 23-piece drill set has a straight shank, these shanks empower the hammering drill so that it works more rapidly and precisely. This recent Ronix product is produced and distributed in Ronix plastic bags. It is very well idealized for light applications.