Ultra Accuracy 123 Block for Milling Machines Versatile Application Designed for milling machines, the Ultra Accuracy 123 Block is suitable for setup, layout, and inspection tasks across different industries. It serves as a reliable reference in your workshop for a wide range of projects. Strong Yet Lightweight The crossdrilling design provides lightweight construction while preserving maximum strength. This combination supports durable performance during use and makes handling easier in daily operations. Accuracy The 123 block offers accuracy and squareness on all sides within 0.0001 in. This level of precision provides dependable reference points during machining, improving setup efficiency and consistency. UserFriendly Design Includes a screw box for easy handling. This feature simplifies adjustments and helps ensure accurate measurements without hassle on any project. Key attributes and practical considerations Function and use Ideal for milling machine setups, layout work, and inspection tasks. Acts as a stable reference for positioning, squareness checks, and fixture alignment. Compatibility Built to integrate with common milling workflows across various industries. Works with standard 123 block practices to support precise setup and measurement. Size and form Standard 123 block configuration with a screw box for convenient handling and adjustments. Performance Precision aligned to 0.0001 in on all sides, with a crossdrilling design that balances strength and light weight for everyday use. What it enables Reliable reference points during nesting, clamping, and machining operations; supports quick verification of squareness and alignment during setup and inspection. Practical use scenarios Scenario 1: Milling machine setup Use the Ultra Accuracy 123 Block to establish true references for part placement, ensuring consistent starting positions before milling operations. Scenario 2: Fixture and jig alignment Employ the block to align fixtures and jigs with precision, helping maintain repeatable positioning across multiple jobs. Scenario 3: Onmachine inspection and verification During roughing or finishing passes, use the block to check squareness and relative positioning, supporting accurate tolerances and quality control.