30Pcs Surface Roughness Comparators,Roughness Test Block Ra0.05-12.5mm Microfinish Comparator, Surface Finish Comparator Set for Lathe Machinery Manufactur Teach (30pcs Surface Roughness comparators)

Features

• High-precision Measurement Ra0.05-12.5mm 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
• Wide Range of ApplicationsIt 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.
• Stable and DurableThese standard kits are made of stable and durable made of 45 super carbon steel, not easy to deform and durable.Advanced technology, stable quality, complete grades and specifications, high hardness and good wear resistance. It has a protective oil film You can rest assured of long-term and repeated use to ensure accuracy and reliability
• Easy to UseClear comparison and differentiation table 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
• what you will get1 set 30 Specimens Surface Roughness Comparator Composite Pocket Set Gauge, Ra0.05-12.5mm Microfinish Comparator,and 1 handful Feeler Gauge Set Stainless Steel Thickness Gauge 32 Blades 0.04-0.88 mm (0.0015-0.035 Inch)Helping you with your surface roughness measurement, quality control and instrument calibrationand teaching projects