30 Specimens Surface Roughness Comparator Composite Pocket Set Gauge, Ra0.05-12.5mm Microfinish Comparator, Surface Finish Comparator Set for Lathe Machinery Manufacturing Teaching

Features

• High-precision Measurement: Surface roughness stand comparator come standard with 30 samples of different roughness levels, providing you with a wide range of choices to easily distinguish and compare different surface qualities to ensure that the product meets the highest standards
• Various Processing Methods: It can measure the roughness of six processing methods (horizontal milling, vertical milling, turning, plain grinding, flat lapping, external grinding). Able to perform a variety of functions such as measurement of different types of surfaces, inspection of various textures, etc.
• Easy to Use: The model number of the standard set is clearly marked, and the sample blocks are arranged neatly and correspond one to one, making it easy to compare, observe and distinguish. Whether you are a professional engineer or a student, you can easily operate and compare to meet your needs
• Stable and Durable: These standard kits are made of stable and durable made of 45 super carbon steel, which is corrosion-resistant, not easy to deform and durable. It has a protective oil film to effectively prevent rust. You can rest assured of long-term and repeated use to ensure accuracy and reliability
• Wide Range of Applications: Not only suitable for surface roughness measurement, quality control and instrument calibration, it is also a visual teaching aid for mechanical majors in colleges and universities, meeting various application needs in different industries and fields