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The Ruby Midget File in an oval profile is a precision finishing tool made from pure, sintered crystals of synthetic ruby — manufactured in Germany under the Degussit standard with no bonding material. This construction results in an exceptionally hard file that resists changes in shape, making it ideal for fine, repeatable work on the hardest materials. The file measures 4" × 0.16" × 0.06" and can be reshaped or adjusted using diamond wheels and burs when needed.
Ruby stones are the ideal choice for deburring, blending, dressing, and fine polishing of molds and dies made of hard metals such as hardened tool steel, carbide, and surgical stainless steel. Jewelers and engravers rely on them for sharpening carbide and high-speed steel gravers and other precision tools.
| Dimensions | 4" × 0.16" × 0.06" |
|---|---|
| Profile | Oval |
| Material | Pure sintered synthetic ruby crystals |
| Bonding Material | None |
| Country of Origin | Germany |
| Compatible Materials | Hardened tool steel, carbide, surgical stainless steel |
These files can be reshaped and adjusted using diamond wheels and burs, allowing you to customize the profile for specific applications such as dressing to a fine point for polishing highly detailed die areas.
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