Shank with special flats for use on pneumatic machines. Allows welding points to be drilled cleanly and without burrs. Extreme precision and drilling without burrs and without pointing.Unleash precision in spot welding with our Spotle Drill HSSE-Co 5. Featuring a special flat shank for use on pneumatic machines, it ensures clean and burr-free drilling of welding points. Experience extreme accuracy and drilling without burrs or points