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Mitutoyo 311-111 | Square Master | UM-110, 90 x 110 x 25 mm
The Mitutoyo 311-111 (UM-110) Square Master is a 90 x 110 x 25 mm reference square for inspecting straightness and perpendicularity of moving axes on machine tools, CMMs, form measuring machines and semiconductor equipment.
- Four precision-lapped reference surfaces
- Straightness and perpendicularity better than 1 µm/300 mm on the reference surfaces
- Better than 5 µm/300 mm on front and back surfaces
- Size 90 x 110 x 25 mm, mass 1.5 kg
- Wooden box and inspection certificate
- Specifications
- Features
- Downloads
| Part Number | 311-111 |
| Brand | Mitutoyo |
| Model | UM-110 |
| Series | 311 |
| Dimensions | 90 x 110 x 25 mm |
| Straightness/Perpendicularity | Reference 1 µm/300 mm, front/back 5 µm/300 mm |
| Reference Surfaces | 4, lapped |
| Units | Metric |
| Mass | 1.5 kg |
| Delivered | Wooden box, inspection certificate |
- Precision Lapped Surfaces: Four precision-lapped reference surfaces for accurate measurements.
- High Accuracy: Straightness and perpendicularity of better than 1 µm/300 mm for each of the four reference surfaces.
- Front/Back Surface Accuracy: Better than 5 µm/300 mm for the front and back surfaces.
- Quality Assurance: Delivered in a wooden box with a certificate of inspection.
- Compact Dimensions: Dimensions of 90 x 110 x 25 mm and a mass of 1.5 kg for easy handling and storage.
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