HP High Performance 4-Inch Grinding Wheel for Steel

Aggressive Weld Grinding with Less Effort

For professional welders, the quality of the grind is just as important as the quality of the weld. The Walter HP Grinding Wheel (08B400) is built to tackle the toughest steel applications, from prepping base materials to smoothing out heavy weld beads. This 4-inch wheel is designed to grind off metal fast, allowing you to move on to the next pass or finish the job quickly. The 1/4-inch thickness provides the rigidity needed for heavy stock removal, while the depressed center (Type 27) design allows for the correct angle of approach for aggressive grinding.

One of the standout features of the HP series is its ability to cut freely with less pressure. Many grinding wheels require the operator to lean heavily into the tool to get it to bite, which leads to wrist strain and exhaustion by the end of the day. The Walter HP wheel is formulated to break down its grain structure efficiently, exposing fresh cutting edges continuously. This means you can let the tool do the work, removing welds and imperfections with significantly less physical exertion. This ergonomic advantage is crucial for welders working in awkward positions or for extended durations.

Durability is another key factor for the welding professional. A wheel that disintegrates quickly not only wastes money but also interrupts your focus. The HP wheel is known for its extra-long life, holding up against the heat and stress of grinding steel. It resists glazing, ensuring that the cutting action remains consistent from the first spark to the stub. Whether you are deburring cut edges, shaping metal for fit-up, or grinding down a cap pass, this wheel delivers the performance you need.

Compatible with 4-inch angle grinders featuring a 5/8-inch arbor, this wheel is a staple for any welding rig. It is specifically formulated for steel, ensuring compatibility with your most common base metals. Stock up with this 25-pack to ensure you always have a fresh wheel ready when the sparks start flying.