# RIDGID 4-1/2 in. x 7/8 in. Flap Discs 40 Grit Type 29 Blue Zirconia ZA40 for use on Right Angle Grinders

**Brand:** [RIDGID](https://shop.coreranger.com/brands/RIDGID)
**SKU:** RFD4578-36
**Price:** $11.68 · in stock
**URL:** https://shop.coreranger.com/product/ridgid-4-1-2-in-x-7-8-in-flap-discs-40-grit-type-29-blue-zirconia-za40-for-use-on-right-angle-grinde-326761919

## Specifications

| Spec | Value |
|---|---|
| Kit | No |
| Grit | 40 |
| Model # | RFD4578-36 |
| Internet # | 326761919 |
| Returnable | 90-Day |
| Application | General Purpose |
| Maximum RPM | 13000 RPM |
| Store SKU # | 1010241851 |
| Sanding Grade | Medium |
| Arbor Size (in.) | 7/8" |
| Package Quantity | 1 |
| Abrasive Material | Zirconia |
| Ideally Used With | Angle Grinders |
| Tools Product Type | Welding Support |
| Product Depth (in.) | .56 in |
| Wheel Diameter (in.) | 4-1/2" |
| Power Tool Accessory Type | Sanding/Grinding/Polishing Accessory |
| Sanding, Grinding and Polishing Accessory Type | Grinding/Cut-Off Wheel |

## Description

RIDGID zirconium flap disc is 4-1/2 in. x 7/8 in. (115 mm x 22 mm) and designed to be used on right angle grinders. They are designed for type 29-wheels. The discs have a max RPM of 13,300 and a grit size of 40. They are versatile making them great for rough or fine finishing.

• Designed for metal grinding and finishing applications
• Fast vibration-free operation
• For use with right angle grinders