Amazon has DEWALT DW8424 Thin Cutting Wheel, 4-1/2-Inch x .045-Inch x 7/8-Inch for $1.83 + FS
Same model in a different listing (not sure the difference):
- $1.83 – DEWALT DW4514 4-1/2-Inch X 1/4-Inch X 7/8-Inch General Purpose Metal Grinding Wheel
Other models
- $1.93 – DEWALT DW8701 A60T Wheel, 2-1/2-Inch X .035-Inch X 1/4-Inch
- $1.98 – DEWALT DW8061 4-Inch by .045-Inch by 5/8-Inch A60T Abrasive Metal/INOX Cutting Wheel
- $2.00 – DEWALT DWA8957F T27 XP CER Fast Cut-Off Wheel, 4-1/2" x 0.045" x 7/8"
- $2.00 – DEWALT DWA8952F T1 XP CER Fast Cut-Off Wheel, 5" x 0.045" x 7/8"
- $2.17 – DEWALT DWA8424L T27 HP Long Life Cut-Off Wheel, 4-1/2" x 1/16" x 7/8"
- $2.23 – DEWALT DW4428 4-Inch by 1/8-Inch by 5/8-Inch Concrete/Masonry Cutting Wheel
- $2.24 – DEWALT DWA4510 Metal Grinding Wheel, 4-Inch x 1/8-Inch x 5/8-Inch
- $2.26 – DEWALT DW8711 A60T Wheel, 3-Inch X 1/16-Inch X 3/8-Inch
- $2.26 – DEWALT DW8708 A36T Wheel, 3-Inch X .035-Inch X 1/4-Inch
- $2.30 – DEWALT DWA4511 Metal Grinding Wheel, 4-1/2-Inch x 1/8-Inch x 7/8-Inch