Overview: The document provides comprehensive details on precision measuring and inspection tools made from natural granite and special cast iron. These tools include surface plates, straightening plates, concentricity testers, and headstocks. The document emphasizes the properties, specifications, and benefits of these materials for precision measurement.

Flatness Tolerances: Flatness tolerances are specified according to DIN 876, with formulas for calculating the flatness of measuring surfaces.

Additional Products: Includes cleaning products for measuring surfaces and surface pastes for inspection purposes.

Conclusion: ULTRA provides a comprehensive range of precision measuring tools and services, emphasizing high-quality materials and adherence to industry standards for accuracy and durability.

Marking-off and Surface Plates: Made from special cast iron, adhering to DIN 876 standards, with a stable ribbed design and finely machined measuring surfaces. Available in different grades, with custom sizes and higher accuracy versions available upon request.

Marking Paints: Used for scribing and marking workpieces, available in blue and red, with white and yellow on request. Easily removable with solvent spray.

Slotted Forge and Swage Plates: Crafted from special cast iron with machined surfaces and cast-in holes, supported by stable, lacquered steel stands.

Straightening Plates: Made from special cast iron, available in solid or ribbed designs, with finely planed or milled surfaces, customizable with holes or T-slots.

Concentricity Testers: Made from special cast iron, adhering to DIN 876 standards, with finely ground measuring faces and tailstocks with fixed and movable centre sleeves.

Base Plates: Special cast iron base plates for mounting concentricity test units, featuring finely ground measuring faces and T-slots.

Tailstock with Rotary Collet Holder: Features finely ground bases and a concentricity of 0.005 mm, with collets ordered separately.

Collets: Available for rotary collet holders, with a clamping range of +/- 0.25mm, higher accuracy collets available upon request.

V Blocks and Rolling Blocks: Made from special cast iron, with finely ground bases and hardened steel components, available in standard and height-adjustable versions.

Measuring Stands and Probes: Designed for series inspection, featuring dial mounting holes, delivered individually packaged.

Solvent Spray for Marking Colours: Used for cleaning workpieces and removing marking colours, delivered in individually packed cans.

Taper Testing Instruments: Based on the sine principle, featuring finely ground measuring faces and tailstocks with fixed and movable centre sleeves, delivered with a sine table.

Test Benches for Concentricity Testers: Made from natural granite, featuring diamond-lapped, non-corrosive surfaces, delivered with calibration certification.