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Smoothing and Polishing Stones for EDM Scale Removal
Remove surface scale left by the EDM (electrical discharge machining) process. These stones can be used by hand or in power tools with a compatible holder. We recommend using a water-soluble or oil-based lubricant.
For technical drawings and 3-D models, click on a part number.
Straight Square
Stones | Hand-Held Stone Holders | |||||||
|---|---|---|---|---|---|---|---|---|
| Grit (For Finish) | Lg. | Wd. | Thick. | Color | Each | Each | ||
Aluminum Oxide—For Use On Steel | ||||||||
| 100 (Smooth) | 6" | 1/8" | 1/8" | Brown | 000000000 | 00000 | 000000 | 00 |
| 100 (Smooth) | 6" | 5/32" | 5/32" | Brown | 000000000 | 0000 | 000000 | 00 |
| 100 (Smooth) | 6" | 1/4" | 1/4" | Brown | 000000000 | 0000 | 00000000 | 00000 |
| 100 (Smooth) | 6" | 3/8" | 3/8" | Brown | 000000000 | 0000 | 000000 | 00 |
| 120 (Smooth) | 6" | 1/8" | 1/8" | Brown | 000000000 | 0000 | 000000 | 00 |
| 120 (Smooth) | 6" | 5/32" | 5/32" | Brown | 000000000 | 0000 | 000000 | 00 |
| 120 (Smooth) | 6" | 1/4" | 1/4" | Brown | 000000000 | 0000 | 00000000 | 0000 |
| 120 (Smooth) | 6" | 3/8" | 3/8" | Brown | 000000000 | 0000 | 000000 | 00 |
| 150 (Smooth) | 6" | 1/8" | 1/8" | Brown | 000000000 | 0000 | 000000 | 00 |
| 150 (Smooth) | 6" | 5/32" | 5/32" | Brown | 000000000 | 0000 | 000000 | 00 |
| 150 (Smooth) | 6" | 1/4" | 1/4" | Brown | 000000000 | 0000 | 00000000 | 0000 |
| 150 (Smooth) | 6" | 3/8" | 3/8" | Brown | 000000000 | 0000 | 000000 | 00 |
| 180 (Smooth) | 6" | 1/8" | 1/8" | Brown | 000000000 | 0000 | 000000 | 00 |
| 180 (Smooth) | 6" | 5/32" | 5/32" | Brown | 000000000 | 0000 | 000000 | 00 |
| 180 (Smooth) | 6" | 1/4" | 1/4" | Brown | 000000000 | 0000 | 00000000 | 0000 |
| 180 (Smooth) | 6" | 3/8" | 3/8" | Brown | 000000000 | 0000 | 000000 | 00 |
| 220 (Smooth) | 6" | 1/8" | 1/8" | Brown | 000000000 | 0000 | 000000 | 00 |
| 220 (Smooth) | 6" | 5/32" | 5/32" | Brown | 000000000 | 0000 | 000000 | 00 |
| 220 (Smooth) | 6" | 1/4" | 1/4" | Brown | 000000000 | 0000 | 00000000 | 0000 |
| 220 (Smooth) | 6" | 3/8" | 3/8" | Brown | 000000000 | 0000 | 000000 | 00 |
| 320 (Extra Smooth) | 6" | 1/8" | 1/8" | Brown | 000000000 | 0000 | 000000 | 00 |
| 320 (Extra Smooth) | 6" | 5/32" | 5/32" | Brown | 000000000 | 0000 | 000000 | 00 |
| 320 (Extra Smooth) | 6" | 1/4" | 1/4" | Brown | 000000000 | 0000 | 00000000 | 0000 |
| 320 (Extra Smooth) | 6" | 3/8" | 3/8" | Brown | 000000000 | 0000 | 000000 | 00 |
| 400 (Extra Smooth) | 6" | 1/8" | 1/8" | Brown | 000000000 | 0000 | 000000 | 00 |
| 400 (Extra Smooth) | 6" | 5/32" | 5/32" | Brown | 000000000 | 0000 | 000000 | 00 |
| 400 (Extra Smooth) | 6" | 1/4" | 1/4" | Brown | 000000000 | 0000 | 00000000 | 0000 |
| 400 (Extra Smooth) | 6" | 3/8" | 3/8" | Brown | 000000000 | 0000 | 000000 | 00 |
| 600 (Polished) | 6" | 1/8" | 1/8" | Brown | 000000000 | 0000 | 000000 | 00 |
| 600 (Polished) | 6" | 5/32" | 5/32" | Brown | 000000000 | 0000 | 000000 | 00 |
| 600 (Polished) | 6" | 1/4" | 1/4" | Brown | 000000000 | 0000 | 00000000 | 0000 |
| 600 (Polished) | 6" | 3/8" | 3/8" | Brown | 000000000 | 0000 | 000000 | 00 |
| 800 (Polished) | 6" | 1/8" | 1/8" | Brown | 000000000 | 0000 | 000000 | 00 |
| 800 (Polished) | 6" | 5/32" | 5/32" | Brown | 000000000 | 0000 | 000000 | 00 |
| 800 (Polished) | 6" | 1/4" | 1/4" | Brown | 000000000 | 0000 | 00000000 | 0000 |
| 800 (Polished) | 6" | 3/8" | 3/8" | Brown | 000000000 | 00000 | 000000 | 00 |
| 1000 (Polished) | 6" | 1/8" | 1/8" | Brown | 000000000 | 0000 | 000000 | 00 |
| 1000 (Polished) | 6" | 5/32" | 5/32" | Brown | 000000000 | 0000 | 000000 | 00 |
| 1000 (Polished) | 6" | 1/4" | 1/4" | Brown | 000000000 | 0000 | 00000000 | 0000 |
| 1000 (Polished) | 6" | 3/8" | 3/8" | Brown | 000000000 | 00000 | 000000 | 00 |
| 1200 (Polished) | 6" | 1/8" | 1/8" | Brown | 000000000 | 0000 | 000000 | 00 |
| 1200 (Polished) | 6" | 5/32" | 5/32" | Brown | 000000000 | 0000 | 000000 | 00 |
| 1200 (Polished) | 6" | 1/4" | 1/4" | Brown | 000000000 | 0000 | 00000000 | 0000 |
| 1200 (Polished) | 6" | 3/8" | 3/8" | Brown | 000000000 | 00000 | 000000 | 00 |
Straight Rectangular
Stones | Hand-Held Stone Holders | Stone Holders for Power Tools | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Grit (For Finish) | Lg. | Wd. | Thick. | Color | Each | Each | Each | |||
Aluminum Oxide—For Use On Steel | ||||||||||
| 100 (Smooth) | 6" | 1/4" | 1/16" | Brown | 000000000 | 00000 | 000000 | 00 | 000000 | 00 |
| 100 (Smooth) | 6" | 1/4" | 1/8" | Brown | 00000000 | 0000 | 00000000 | 00000 | 0000000 | 00000 |
| 100 (Smooth) | 6" | 1/2" | 1/16" | Brown | 00000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 100 (Smooth) | 6" | 1/2" | 1/8" | Brown | 00000000 | 0000 | 00000000 | 0000 | 000000 | 00 |
| 100 (Smooth) | 6" | 1/2" | 1/4" | Brown | 00000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 100 (Smooth) | 6" | 1" | 1/8" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 100 (Smooth) | 6" | 1" | 1/4" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 120 (Smooth) | 6" | 1/4" | 1/16" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 120 (Smooth) | 6" | 1/4" | 1/8" | Brown | 000000000 | 0000 | 00000000 | 0000 | 0000000 | 0000 |
| 120 (Smooth) | 6" | 1/2" | 1/16" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 120 (Smooth) | 6" | 1/2" | 1/8" | Brown | 000000000 | 0000 | 00000000 | 0000 | 000000 | 00 |
| 120 (Smooth) | 6" | 1/2" | 1/4" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 120 (Smooth) | 6" | 1" | 1/8" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 120 (Smooth) | 6" | 1" | 1/4" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 150 (Smooth) | 6" | 1/4" | 1/16" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 150 (Smooth) | 6" | 1/4" | 1/8" | Brown | 00000000 | 0000 | 00000000 | 0000 | 0000000 | 0000 |
| 150 (Smooth) | 6" | 1/2" | 1/16" | Brown | 00000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 150 (Smooth) | 6" | 1/2" | 1/8" | Brown | 00000000 | 0000 | 00000000 | 0000 | 000000 | 00 |
| 150 (Smooth) | 6" | 1/2" | 1/4" | Brown | 00000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 150 (Smooth) | 6" | 1" | 1/8" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 150 (Smooth) | 6" | 1" | 1/4" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 180 (Smooth) | 6" | 1/4" | 1/16" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 180 (Smooth) | 6" | 1/4" | 1/8" | Brown | 00000000 | 0000 | 00000000 | 0000 | 0000000 | 0000 |
| 180 (Smooth) | 6" | 1/2" | 1/16" | Brown | 00000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 180 (Smooth) | 6" | 1/2" | 1/8" | Brown | 00000000 | 0000 | 00000000 | 0000 | 000000 | 00 |
| 180 (Smooth) | 6" | 1/2" | 1/4" | Brown | 00000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 180 (Smooth) | 6" | 1" | 1/8" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 180 (Smooth) | 6" | 1" | 1/4" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 220 (Smooth) | 6" | 1/4" | 1/16" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 220 (Smooth) | 6" | 1/4" | 1/8" | Brown | 00000000 | 0000 | 00000000 | 0000 | 0000000 | 0000 |
| 220 (Smooth) | 6" | 1/2" | 1/16" | Brown | 00000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 220 (Smooth) | 6" | 1/2" | 1/8" | Brown | 00000000 | 0000 | 00000000 | 0000 | 000000 | 00 |
| 220 (Smooth) | 6" | 1/2" | 1/4" | Brown | 00000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 220 (Smooth) | 6" | 1" | 1/8" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 220 (Smooth) | 6" | 1" | 1/4" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 320 (Extra Smooth) | 6" | 1/4" | 1/16" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 320 (Extra Smooth) | 6" | 1/4" | 1/8" | Brown | 00000000 | 0000 | 00000000 | 0000 | 0000000 | 0000 |
| 320 (Extra Smooth) | 6" | 1/2" | 1/16" | Brown | 00000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 320 (Extra Smooth) | 6" | 1/2" | 1/8" | Brown | 00000000 | 0000 | 00000000 | 0000 | 000000 | 00 |
| 320 (Extra Smooth) | 6" | 1/2" | 1/4" | Brown | 00000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 320 (Extra Smooth) | 6" | 1" | 1/8" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 320 (Extra Smooth) | 6" | 1" | 1/4" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 400 (Extra Smooth) | 6" | 1/4" | 1/16" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 400 (Extra Smooth) | 6" | 1/4" | 1/8" | Brown | 00000000 | 0000 | 00000000 | 0000 | 0000000 | 0000 |
| 400 (Extra Smooth) | 6" | 1/2" | 1/16" | Brown | 00000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 400 (Extra Smooth) | 6" | 1/2" | 1/8" | Brown | 00000000 | 0000 | 00000000 | 0000 | 000000 | 00 |
| 400 (Extra Smooth) | 6" | 1/2" | 1/4" | Brown | 00000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 400 (Extra Smooth) | 6" | 1" | 1/8" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 400 (Extra Smooth) | 6" | 1" | 1/4" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 600 (Polished) | 6" | 1/4" | 1/16" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 600 (Polished) | 6" | 1/4" | 1/8" | Brown | 00000000 | 0000 | 00000000 | 0000 | 0000000 | 0000 |
| 600 (Polished) | 6" | 1/2" | 1/16" | Brown | 00000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 600 (Polished) | 6" | 1/2" | 1/8" | Brown | 00000000 | 0000 | 00000000 | 0000 | 000000 | 00 |
| 600 (Polished) | 6" | 1/2" | 1/4" | Brown | 00000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 600 (Polished) | 6" | 1" | 1/8" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 600 (Polished) | 6" | 1" | 1/4" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 800 (Polished) | 6" | 1/4" | 1/16" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 800 (Polished) | 6" | 1/4" | 1/8" | Brown | 000000000 | 0000 | 00000000 | 0000 | 0000000 | 0000 |
| 800 (Polished) | 6" | 1/2" | 1/16" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 800 (Polished) | 6" | 1/2" | 1/8" | Brown | 000000000 | 0000 | 00000000 | 0000 | 000000 | 00 |
| 800 (Polished) | 6" | 1/2" | 1/4" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 800 (Polished) | 6" | 1" | 1/8" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 800 (Polished) | 6" | 1" | 1/4" | Brown | 000000000 | 00000 | 000000 | 00 | 000000 | 00 |
| 1000 (Polished) | 6" | 1/4" | 1/16" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 1000 (Polished) | 6" | 1/4" | 1/8" | Brown | 000000000 | 0000 | 00000000 | 0000 | 0000000 | 0000 |
| 1000 (Polished) | 6" | 1/2" | 1/16" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 1000 (Polished) | 6" | 1/2" | 1/8" | Brown | 000000000 | 0000 | 00000000 | 0000 | 000000 | 00 |
| 1000 (Polished) | 6" | 1/2" | 1/4" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 1000 (Polished) | 6" | 1" | 1/8" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 1000 (Polished) | 6" | 1" | 1/4" | Brown | 000000000 | 00000 | 000000 | 00 | 000000 | 00 |
| 1200 (Polished) | 6" | 1/4" | 1/16" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 1200 (Polished) | 6" | 1/4" | 1/8" | Brown | 000000000 | 0000 | 00000000 | 0000 | 0000000 | 0000 |
| 1200 (Polished) | 6" | 1/2" | 1/16" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 1200 (Polished) | 6" | 1/2" | 1/8" | Brown | 000000000 | 0000 | 00000000 | 0000 | 000000 | 00 |
| 1200 (Polished) | 6" | 1/2" | 1/4" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 1200 (Polished) | 6" | 1" | 1/8" | Brown | 000000000 | 0000 | 000000 | 00 | 000000 | 00 |
| 1200 (Polished) | 6" | 1" | 1/4" | Brown | 000000000 | 00000 | 000000 | 00 | 000000 | 00 |