4-1/2″ dia × 0.25″ thick × 7⁄8″ arbor hole — a common size for angle grinders, suitable for many handheld or bench grinder applications.
Material / Grit
Heat-treated Aluminum Oxide (AT24R) — provides durability and good cutting action, especially for harder metals.
Type
Type 27 depressed-center — allows for safe mounting on angle grinders, using the outer edge of the wheel for surface grinding, beveling, etc.
Reinforcement
Double reinforced with fiberglass — enhances safety (resistance to breakage), stability, and longevity under heavy use.
Max RPM
Rated for ~13,300 RPM (for that size) — ensures compatibility with typical angle grinders used in metalworking.
Single Grit
“Single grit” specification — provides more consistent performance, especially when used at various angles. Reduces variation in wear and performance. (
