Surface Roughness Comparator Set Ra0.05-12.5mm with 30 Specimens for Machining

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.

Surface Roughness Comparator Set Ra0.05-12.5mm with 30 Specimens for Machining 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 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

Package Including：

1set Roughness Test />-If You Are Not Sure The Item 100% Fit For Your Vehicle Before Your Purchase.
-Please Allow 1-3CM Differs Due To Manual Measurement.
-Due To The Different Display And Different Light, The Picture May Not Reflect The Actual Color Of The Item. Thanks For Your Understanding.

Item SpecificsCountry of Origin United StatesBrand labworkMPN LAW306852Gage Type Surface Roughness ComparatorWarranty 1 Year
Payment

Shipment

Usually we arrange shipping in 3 business day after payment confirmed.
Orders will be shipped out via Carrier USPS or FedEx .

Delivery time :

When you find track information is abnormal or not get goods , please feel free to email contact us first for troubleshooting, Don"t open dispute case immediately Please.

Warrenty & RMA

Warranty for defective items (excluding items damaged and/or misused after receipt).
In order to return an item you must contact us to request a RMA No.
Please returned items in the original packaging, fill in RMA number on package, and PROVIDE us reason for the return, and your ID.

Service & Contact

We hope you have a pleasant shopping experience with us and satisfy 100%.
If there are any item or delivery problems, please email contact us first, BEFORE you leave neutral or negative response, or 1,2,3 ratings, so that we can address your concerns. Please give us the opportunity to resolve any problem.
Usually, we response your email in 1 business day.

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Surface Roughness Comparator Set Ra0.05-12.5mm with 30 Specimens for Machining 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 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

Package Including：

1set Roughness Test />-If You Are Not Sure The Item 100% Fit For Your Vehicle Before Your Purchase.
-Please Allow 1-3CM Differs Due To Manual Measurement.
-Due To The Different Display And Different Light, The Picture May Not Reflect The Actual Color Of The Item. Thanks For Your Understanding.

PaymentShipmentWarrenty & RMAService & Contact

Usually we arrange shipping in 3 business day after payment confirmed.
Orders will be shipped out via Carrier USPS or FedEx .

Delivery time :

When you find track information is abnormal or not get goods , please feel free to email contact us first for troubleshooting, Don"t open dispute case immediately Please.

Warranty for defective items (excluding items damaged and/or misused after receipt).
In order to return an item you must contact us to request a RMA No.
Please returned items in the original packaging, fill in RMA number on package, and PROVIDE us reason for the return, and your ID.

We hope you have a pleasant shopping experience with us and satisfy 100%.
If there are any item or delivery problems, please email contact us first, BEFORE you leave neutral or negative response, or 1,2,3 ratings, so that we can address your concerns. Please give us the opportunity to resolve any problem.
Usually, we response your email in 1 business day.

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On Oct 23, 2026 at 00:03:10 PDT, seller added the following information: