3M 577F Flap Disc (Type 27) — 4-1/2" diameter, 5/8-11 center hole, 60 grit Zirconia Alumina coated abrasive with cloth backing. Designed for grinding, blending, and finishing metal surfaces. Quick-change Type 27 flap disc construction provides aggressive stock removal and consistent surface finish. Medium grade, cloth-backed, series 577F, maximum RPM 13,300. Sold in packs/cases (example listing shows 10 per case).
Specifications:
| Materials & Construction |
| Color | Green |
| Material | Zirconia Alumina |
| Outer Material | Cloth |
| Product Details |
| Abrasive Material | Zirconia Alumina |
| Abrasive Type | Coated |
| Attachment Type | Arbor |
| Backing Material | Cloth |
| Center Hole Size | 5/8-11 |
| Construction Type | Coated |
| Disc Color | Green |
| Disc Diameter | 4-1/2 |
| Flap Disc Type | Type 27 |
| Grade | Medium |
| Grit | 60 |
| Grit Number | 60 |
| Maximum Rpm | 13300 |
| Series | 577f |
| UPC | 051141309538 |
| Sizing & Dimensions |
| Height | 0.1 inches |
| Length | 4.5 inches |
| Product Dimensions | 4.5 x 4.5 x 0.1 inches |
| Product Weight | 42.2 pounds |
| Size | 4-1/2 |
| Weight | 6.4 ounces |
| Width | 4.5 inches |
| Technical Specifications |
| Is Discontinued By Manufacturer | No |
| Maximum Rpm | 13300 |