Japan, Obishi Keiki
Obishi Keiki Seisakusho Granite Rectangular Straight Edge

Made in Japan
 Manufacturer : Obishi Keiki Seisakusho
 Stock No : 900-3
- Manufactured with good quality gabbro granite.
 - Suitable for inspection of Precision machinery running accuracy, machined surface straightness and flatness
 - The precision surface is graduated excluding 20mm form both edges. (Same for Nominal Measurement)
 
*Products with Nominal Measurement 1000mm have handle
| Nominal Measurement | Measurement (L×H×Wmm)  | Grade 00 | Special Grade | Grade A | Mass (kg)  | |||
|---|---|---|---|---|---|---|---|---|
| Code No. | Straightness Parallel (μm) | Code No. | Straightness Parallel (μm) | Code No. | Straightness Parallel (μm) | |||
| 750 | 790×100×50 | EF101 | 2 | EF201 | 3 | EF301 | 5 | 13.5 | 
| 1000 | 1040×125×60 | EF102 | 3 | EF202 | 4 | EF302 | 6 | 27.0 | 
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