Grobet USA Italian Made Flat Hand Precision Files
Single unit weight: -- lbs / -- kg
Single unit weight: -- lbs / -- kg
Italian made (since 2015). Grobet Swiss-pattern* Flat Hand (Pillar) Precision Files — also called Hand or Pillar files and similar to Equalling files — are general-purpose files for flat work. They are parallel in width, tapered in thickness, double-cut on the faces, with one edge single-cut and one edge safe (no teeth) for working up to a shoulder without marring.
| Shape / Names | Flat Hand (Pillar); also called Hand File or Pillar File; similar to Equalling |
|---|---|
| Tooth Pattern | Faces: Double-cut · One edge: Single-cut · One edge: Safe (no teeth) |
| Lengths (exclude tang) | 4" (100 mm), 6" (150 mm), 8" (200 mm), 10" (250 mm) |
| Cut Grades | 00 (Extra Coarse), 0 (Coarse), 1 (Medium Coarse), 2 (Medium), 3 (Medium Fine), 4 (Fine), 6 (X-Fine) |
| Origin | Made in Italy (Swiss-pattern) |
| Part # | Length | Cut | Grade Name |
|---|---|---|---|
| 31.140 | 4" | 0 | Coarse |
| 31.141 | 4" | 2 | Medium |
| 31.142 | 4" | 4 | Fine |
| 31.143 | 6" | 00 | Extra Coarse |
| 31.144 | 6" | 0 | Coarse |
| 31.145 | 6" | 1 | Medium Coarse |
| 31.146 | 6" | 2 | Medium |
| 31.147 | 6" | 3 | Medium Fine |
| 31.148 | 6" | 4 | Fine |
| 31.149 | 6" | 6 | Extra Fine |
| 31.150 | 8" | 00 | Extra Coarse |
| 31.151 | 8" | 0 | Coarse |
| 31.152 | 8" | 1 | Medium Coarse |
| 31.153 | 8" | 2 | Medium |
| 31.154 | 8" | 4 | Fine |
| 31.155 | 10" | 00 | Extra Coarse |
| 31.156 | 10" | 0 | Coarse |
| 31.157 | 10" | 2 | Medium |
Note: Not all cuts are available in all lengths (see matrix above).
| Cut | Best For | Typical Use in Jewelry |
|---|---|---|
| 00–0 | Fast stock removal | Removing sprues, heavy casting cleanup |
| 1–2 | General shaping | Fitting bezels, truing flats, deburring |
| 3–4 | Refining surfaces | Pre-finish before sanding/polishing |
| 6 | Fine finishing | Delicate cleanup where control matters |
Swiss-pattern describes the shapes/sizing/cut standards established in Switzerland. It does not guarantee Swiss manufacture. Grobet’s Swiss-pattern precision files have been made in Italy since 2015. If you require genuine Swiss-made precision files, they are sold under the Glardon-Vallorbe brand and will be marked “Swiss Made” with the UMV fish logo.
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