🔹Suitable holes: Attach drill bits, electric drill heads
🔹 Specially designed with 3 cutting grooves, helping to quickly remove burrs, smooth edges without sharp edges.
🔹Specially used to handle screw heads, bolts, steel pipes, threaded rods with crushed edges - making it easy to thread through molds, holes, threads...
🔹Directly attached to electric drills or 6.35mm shaft grinders, easy to operate.
🔹High durability, good heat resistance, can be used with stainless steel, copper, aluminum, regular steel...
🔹 Practical applications: Used to chamfer the outer edge of threaded shaft heads, bolt heads, dented steel bars, suitable for mechanics, manufacturing, machine repair, DIY at home.