The Makita E-00446 X-LOCK 4-1/2 in. x .045 in. x 7/8 in. Type 1 General Purpose 60 Grit Thin Cut-Off Wheel for Metal and Stainless Steel Cutting is a thin cut-off wheel made for angle grinders. This is a cut-off wheel designed for straight-on cutting in ferrous metal and stainless steel. Model Number: E-00446. If you need quick wheel changes, clean cuts, and a wheel that does not waste material, this one is built for that job.

The big advantage here is the X-LOCK interface. On a compatible X-LOCK grinder, you can change the wheel by pulling the release lever instead of digging for a wrench. Makita rates that system for up to 5 times faster wheel changes than a standard angle grinder mount, which is the kind of feature you notice when you are bouncing between cutting and grinding work during the day.

The .045 inch thin wheel design matters because it reduces drag in the cut. In real use, that means faster cutting and less wasted material compared to a thicker wheel. It also requires less energy, which is especially useful on cordless grinders where battery runtime matters. For anyone cutting stainless pipe, steel sheet, or channel, a thin wheel like this helps the grinder feel less loaded up.

Makita builds this wheel from aluminum oxide with a resinoid bond. That combination is meant to balance cutting speed and wheel life for general-purpose metal work. The Type 1 flat wheel design keeps it focused on straight-on cut-off work rather than side grinding, so it is a good fit when your priority is controlled, accurate cuts through steel stock, pipe, or sheet goods.

In terms of application, this wheel is intended for ferrous metals including alloy steel, carbon steel, stainless steel, cast iron, and wrought iron. The 60 grit specification and very hard wheel construction are geared toward cleaner cuts, not just brute-force material removal. Makita also claims up to 50% longer life than competitive X-LOCK aluminum oxide 60 grit cut-off wheels, which gives it some extra value if you go through a lot of wheels in fabrication, maintenance, or install work.

Compatibility is straightforward. This wheel is made for Makita X-LOCK angle grinders including the XAG25, XAG26, and GA4570, and it can also be used on angle grinders with a standard 7/8 inch arbor. That gives you some flexibility if you are working across different grinder setups but still want the option of tool-free changeover on an X-LOCK platform.

Who should buy it? This wheel makes sense for metalworking, mechanical work, HVAC, plumbing, general construction, and anyone regularly cutting steel pipe, sheet metal, channel, or stainless. If your work is mostly metal cutting and you want a thin, fast wheel from a known brand without stepping into a specialty wheel, the Makita E-00446 lands in the practical sweet spot.

Makita E-00446 X-LOCK Cut-Off Wheel Keeps It Simple and Useful

If you want a no-nonsense metal cutting wheel that changes fast and cuts clean, this one checks the right boxes without trying to be something it is not.

• Who it's for: Pros and serious DIY users cutting steel pipe, sheet metal, channel, or stainless with a 4-1/2 inch angle grinder.
• Why it stands out: The X-LOCK system is the real selling point here, and the .045 inch thin wheel helps with speed, cleaner cuts, and lower effort on cordless grinders.
• Worth knowing: This is a Type 1 cut-off wheel, so think straight cutting, not side grinding. Also, it is sold as a single wheel.

• Will this wheel fit only X-LOCK grinders? No. It is designed for Makita X-LOCK angle grinders, and it can also be used on angle grinders with a 7/8 inch arbor.
• What materials is this wheel made to cut? It is intended for ferrous metals including alloy steel, carbon steel, stainless steel, cast iron, and wrought iron.
• What is the maximum rated speed? The wheel is rated for a maximum speed of 12,250 RPM.
• Is this a grinding wheel or a cut-off wheel? This is a Type 1 thin cut-off wheel designed for straight-on cutting applications.