Milwaukee Cut-Off Wheel (Type 1) x .045" x 7/8"

Yes. The Milwaukee 49-94 series cut-off wheels all use a 7/8 inch arbor hole, which is the standard spindle bushing size on 4-1/2, 5, and 6 inch angle grinders. Wheel diameters offered are 4-1/2 inch (49-94-4500), 5 inch (49-94-5000), and 6 inch (49-94-6300). Match the wheel diameter to what your guard is rated for, not just the arbor.

A60T describes the abrasive spec: A is aluminum oxide grain, 60 is the grit, and T is the bond hardness. Aluminum oxide at 60 grit is the general-purpose metal-cutting combination, and the harder T bond holds the grain longer on steel. It is a ferrous-metal wheel, so use it on steel, stainless hardware, conduit, and rod rather than on concrete or masonry.

Three diameters are offered: 4-1/2 inch, 5 inch, and 6 inch, all .045 inch thick with a 7/8 inch arbor. The 4-1/2 inch (49-94-4500) matches the most common cordless and corded small grinders and is the usual standardization choice for a facility or a van. Step up to 5 inch (49-94-5000) or 6 inch (49-94-6300) only if your grinders and guards are sized for them, since a larger wheel will not fit a smaller guard.

Milwaukee balance-tests the 49-94 cut-off wheels, which is what keeps cutting smooth and vibration free, and the manufacturing process is held to give consistent performance wheel to wheel out of the box. That matters most on a high-free-speed cordless grinder, where an out-of-balance thin wheel is what you feel in your hands.