Gotrays - 13Pcs 3/8' Double Sided Rotary Spot Weld Removal Bits and 2Pcs Metal Replacement Cutters for Electric Drill, Spot Welding

Perfect Size: The 3/8" diameter cutting knife is ideal for removing spot welds. Suitable for: High-efficiency double-sided blades. Specially for use on iron/cast iron/alloy steel/carbon steel/die steel/grinding machine/drill. holes/body ovations, etc. Easy Separation: The spot weld drill quickly separates welded panels without deforming the metal or damaging the underlying panel. Dimension: 3/8" double-sided high-speed rotary metal cutting blade, standard size 1/4" arbor with flats to eliminate rotation in the chuck, the tool kits can provide better panel separations than a panel cutter. The welding knife is rotatable on both sides and separates spot-welded plates very efficiently compared to a panel cutter. This avoids the risk of pausing in the middle of a job by drilling the boring blades slowly and steadily when using the bits and using the high temperature (not included) to maximize blade life. High temperature lubricant is the best way to extend the blades, but it is not