30PCS Surface Finish Roughness Comparator Set Test Block With Ra0.05-12.5mm

Feature: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.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 prote... 30PCS Surface Finish Roughness Comparator Set Test Block With Ra0.05-12.5mm

Feature:

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.
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.

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.
Wide Range of Applications:At addition to being appropriate for measuring surface roughness, quality assurance, and calibrating instruments, composite pocket set gauge can also serve as a visual teaching tool for mechanical majors at colleges and universities, fulfilling a variety of application requirements across diverse sectors and domains.
Please check pictures for more details.

Description:
Item model number: 30Pcs Surface Roughness Comparator

Each Are: 7/8" × 3/8"
3 Flat Lapping: 2,4,8
Each Type Of Surface Finish Is Truly And Consistently Reproduced, With A Realistic Idea Of The Feel, Appearance, And Texture Of The Machined Components
For Quick And Easy Comparisons
Conforms To S.A.E And Military Specifications
Quantity: 1

Package Content:

30 × sample pieces Surface Roughness Comparison

Notes:
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.
If you are uncertain about the item,please feel free to contact us for confirm.

Payment

All payments are handled securely through Managed Payments.

Shipping

We process and dispatch your purchase within 1 business day after payment clearance.

For weekend orders, we will deliver the goods on Monday

Returns

All return, exchange or refund requests **must be submitted via platform message only**.
Any direct return of purchased items will not be processed.
We will closely examine the condition of the returned items and will not issue any refund/exchange before we make sure the items are in their original neat conditions.

Contact Us

Before leaving us neutral or negative response, please submit your inquiry via platform message.
We will do everything we can to give you a satisfying solution.
Please don't open case via or paypal.
We do our best to resolve any issue. Leaving negative responses and low ratings doesn't get things solved.
So please don't be upset and we will not let you down.

FAQ

How much does delivery cost and how long will it take?
You can check the delivery cost in the listing “Shipping and payments” section by selecting your country and entering your zip code. If it is not specified, please provide us your shipping address and zip code via message.

What payment methods do you accept?
We currently only accept payment via PayPal.

When will my order be dispatched?
We will arrange the shipment in 1 business day after the payment is cleared. The tracking number will be updated on in 24 hours after the shipment. Please notice that there is no shipment during weekend and holidays.


What do I do if I have not received my order?
Please simply contact us via messages, and then, we will get back to you as soon as possible with the update. Usually, we will follow up every shipment till customers get their order.

What do I do if my product is faulty?
Please simply contact us via messages, and then, we will get back to you as soon as possible. It will speed up the process if you could provide us some pictures or video to illustrate the issue details.

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CNCMetalworking SuppliesHand ToolsIndustrial Control ModuleDecorate 30PCS Surface Finish Roughness Comparator Set Test Block With Ra0.05-12.5mm

Feature:

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.
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.

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.
Wide Range of Applications:At addition to being appropriate for measuring surface roughness, quality assurance, and calibrating instruments, composite pocket set gauge can also serve as a visual teaching tool for mechanical majors at colleges and universities, fulfilling a variety of application requirements across diverse sectors and domains.
Please check pictures for more details.

Description:
Item model number: 30Pcs Surface Roughness Comparator

Each Are: 7/8" × 3/8"
3 Flat Lapping: 2,4,8
Each Type Of Surface Finish Is Truly And Consistently Reproduced, With A Realistic Idea Of The Feel, Appearance, And Texture Of The Machined Components
For Quick And Easy Comparisons
Conforms To S.A.E And Military Specifications
Quantity: 1

Package Content:

30 × sample pieces Surface Roughness Comparison

Notes:
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.
If you are uncertain about the item,please feel free to contact us for confirm.

PaymentShippingReturnsContact UsFAQ

All payments are handled securely through Managed Payments.

We process and dispatch your purchase within 1 business day after payment clearance.

For weekend orders, we will deliver the goods on Monday

All return, exchange or refund requests **must be submitted via platform message only**.
Any direct return of purchased items will not be processed.
We will closely examine the condition of the returned items and will not issue any refund/exchange before we make sure the items are in their original neat conditions.

Before leaving us neutral or negative response, please submit your inquiry via platform message.
We will do everything we can to give you a satisfying solution.
Please don't open case via or paypal.
We do our best to resolve any issue. Leaving negative responses and low ratings doesn't get things solved.
So please don't be upset and we will not let you down.

How much does delivery cost and how long will it take?
You can check the delivery cost in the listing “Shipping and payments” section by selecting your country and entering your zip code. If it is not specified, please provide us your shipping address and zip code via message.

What payment methods do you accept?
We currently only accept payment via PayPal.

When will my order be dispatched?
We will arrange the shipment in 1 business day after the payment is cleared. The tracking number will be updated on in 24 hours after the shipment. Please notice that there is no shipment during weekend and holidays.


What do I do if I have not received my order?
Please simply contact us via messages, and then, we will get back to you as soon as possible with the update. Usually, we will follow up every shipment till customers get their order.

What do I do if my product is faulty?
Please simply contact us via messages, and then, we will get back to you as soon as possible. It will speed up the process if you could provide us some pictures or video to illustrate the issue details.

All rights reserved.

On Oct 23, 2026 at 02:27:27 PDT, seller added the following information: