TOOLEAGUE Double Multiple Stepped Genuine Review

Step drill bit set:Constructed of high-quality HSS 4242, with high hardness, high strength and prolonged cutting edge life. Step drills are good in terms of heat resistance, corrosion resistance and rust resistance under extreme temperatures. MULTIPLE HOLE DRILLING CONE DRILL BIT SET:3 drill bits, 29 sizes, our drill bit set includes 3 standard step drill bits, capable of drilling 29 holes of different diameters, thus saving your time and effort. X-SHAPED OPENING DESIGN:The step drill bit set for metal heavy duty can facilitate the removal of cutting waste when drilling. The two-edged design makes the cutting smoother and makes the material particles easier to escape, thereby achieving a cleaner drilling operation. HSS DOUBLE-FLUTED STEP BIT KIT:The stepped drill bit very suitable for home repairs and light jobs, such as drilling holes in plastic, aluminum, copper, wood and many other types of sheet metal. Suitable for steel plate with a thickness less than 3MM. APPLICABLE TOOLS:The drill step bit suitable for pistol drill or bench drill, cooling water to extend its service life. The appropriate drilling speed is 250-400 rpm. Compared with traditional drills, the impact is minimal and it is almost impossible to break.