The Norton 7" Zirconia Alumina Flap Disc (Type 27) delivers aggressive stock removal and long-lasting performance for heavy-duty grinding applications, featuring an extra coarse P40 grit and a durable X-weight cotton backing that maintains strength under demanding conditions. Designed with a 7/8" arbor and a maximum operating speed of 8,600 RPM, this disc combines zirconia alumina abrasive grain with a closed coat structure to ensure fast cutting action on steel, stainless, and other metals. Its standard-density construction makes it versatile for weld removal, beveling, and edge grinding while offering a longer service life compared to conventional aluminum oxide discs.
Specifications
| Specification |
Value |
| Manufacturer |
Norton |
| Part No. |
66254472665 |
| Type |
Flap Disc (Type 27) |
| Diameter |
7 in |
| Arbor Size |
7/8 in |
| Abrasive Material |
Zirconia Alumina |
| Grit |
P40 (Extra Coarse) |
| Grade |
Extra Coarse |
| Backing Material |
Cotton |
| Backing Weight |
X |
| Density |
Standard Density |
| Coat Type |
Closed Coat |
| Color |
Blue |
| Operating Speed |
8,600 RPM |
| Status |
Discontinued Item |
| Unit of Measure |
Each |
