Exterior Surfaces Roughness Comparison Sample Block Set, 30-Piece Metalworking Inspection Gage With Calibrated Ra 0.05-12.5 Μm Standards For Turning, Milling, Grinding And Polishing Finish Testing

Specifications:The exterior roughness comparator is used to check the smoothness of mechanical workpieces by comparison, while the visual inspection or microscope is used to compare and test the degree of exterior roughness.features:RUG-100: notebook sample block (turning, end milling, flat milling, exterior grinding, external grinding, polishing)The notebook sample block contains standards for the six most important processing for methods among the popular "AA" values. All 30 samples were calibrated with for uAA (arithmetic mean) and metric equivalent um Ra.Sample exterior roughness comparator 30 pieces of composite bag fixing gauges3 Flat grinding: 2,4,8; 7/8 "x 3/8" each; Each type of exterior finish is a true and consistent reproduction, with a true idea of the feel, appearance and texture of machined partsCompare conveniently and quickly;Overall wallet size (fully enclosed) L x W x H (inches): 6 x 3 x 3/8 * estimated *; Unit weight: 14 ounces * estimate only*The package includes:A set of 30 sample pieces

• 【Surfaces Roughness Comparison Sample Block】The surfaces roughness comparator allows for visual inspection or microscope comparison to assess the degree of surfaces roughness.
• 【30 Composite Bag Fixing Gauges】Calibrated with and metric equivalent um Ra, covering a wide range of surfaces finishes.
• 【Convenient and Quick Comparison】Allows for easy and efficient comparison.
• 【Compact and Portable】Wallet-sized design (6 x 3 x 3/8 inches) with a weight of approximately 14 ounces, making it easy to carry and store.