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The 8 Best calibration surface plates of 2025

Are you trying to find calibration surface plates among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling calibration surface plates on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 13 hours of research and did 23 calibration surface plates tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best calibration surface plates you can buy today

SaleNo. 1
HHIP 4401-1597 6" X 8" X 2" Granite Surface Plate, Grade B, 0 Ledge
  • The top surface of this plate is precision ground to achieve a high degree of flatness and the accuracy is +/-.0001". It is a Grade B (Grade 1) plate.
  • Granite surface plates meet or exceed Federal Specifications GGG-P-463C and it includes a certificate of inspection. (Note that these are not NIST traceable.)
  • Granite plates are used for measuring the flatness and squareness of other objects, laying out parts, calibrating instruments, setting up tools, checking parallelism and perpendicularity, and measuring heights with the use of a height gage.
  • They are also used as a work surface for assembling, inspecting, and marking parts. Non-magnetic and non-conductive. Harder than steel and does not nick or burr.
  • Surface plates are offered by HHIP in various sizes, with different levels of flatness and accuracy and are checked by an auto collimator for overall accuracy assurance.
No. 2
Dasqua 8500-4025 400 X 250 X 60 mm Grade A Granite Surface Plate
  • Accuracy is ±0001" Grade A (Grade 0).
  • For measuring tasks, layout work, touching up and lapping precision parts.
  • Non-magnetic and non-conductive.
  • 100% corrosion proof.
  • Meets DIN876.
No. 3
TTC 9' x 12' x 2' Thick Grade B No Ledge Granite Surface Plate
107 Consomer Reviews
TTC 9" x 12" x 2" Thick Grade B No Ledge Granite Surface Plate
  • For general inspection work throughout the shop.
  • Meets or exceeds Federal Specification GGG-P-463C.
  • Harder than steel.
  • Retains accuracy for years.
  • Overall accuracy: ±.0003"
No. 4
12 Inch Length 9 Inch Width 3 Inch Thickness Granite Surface Plate, No Ledge 12x9x3 Inch
  • Tool Room Grade "B" Granite Plates
  • Bilateral Accuracy of Plus or Minus 0.0001"
  • Practically Maintenance Free and Won't Corrode Like Steel
  • For General Inspection Work Throughout The Shop
No. 5
INSIZE 6900-A11 Granite Surface Plate, 12" x 18" x 3", Grade A
  • Made of granite, free from deterioration or dimensional change over time
  • Minimal changes in dimension due to temperature changes. Meet ggg-p-463c
  • Optional accessory: stand for granite surface plate (part no. 6902)
  • Jack for granite surface plate (part no. 6903)
No. 6
Shars 10" x 6" x 1" Precision Granite Surface Angle Plate 303-9176#
  • SIZE RANGE - GRANITE SQUARE: 10x6x1
  • SQUARENESS: +/- 0.0001
  • Round hole for less weight and handling
  • Comes with manufacture inspection sheet (Not a NIST traceable calibration certificate)
No. 7
TTC 12" x 18" x 3" Thick Grade B No Ledge Granite Surface Plate
  • For general inspection work throughout the shop.
  • Meets or exceeds Federal Specification GGG-P-463C.
  • Harder than steel.
  • Retains accuracy for years.
  • Overall accuracy: ±.0003"
No. 8
Dasqua 8500-4545 Grade A Granite Surface Plate, 450 x 450 x 60 mm Size
  • The top surface of this plate is precision ground to achieve a high degree of flatness and the accuracy is +/-.0001"; It is a Grade A (Grade 0) plate
  • Granite surface plates meet or exceed Federal Specifications GGG-P-463C and it includes a certificate of inspection (Note that these are not NIST traceable)
  • Granite plates are used for measuring the flatness and squareness of other objects, laying out parts, calibrating instruments, setting up tools, checking parallelism and perpendicularity, and measuring heights with the use of a height gage
  • They are also used as a work surface for assembling, inspecting, and marking parts; Non-magnetic and non-conductive; Harder than steel and does not nick or burr
  • Surface plates are offered by HHIP in various sizes and brands, with different levels of flatness and accuracy and are checked by an auto collimator for overall accuracy assurance
No. 9
Dasqua 8500-6340 Grade A Granite Surface Plate, 630 x 400 x 80 mm Size
  • The top surface of this plate is precision ground to achieve a high degree of flatness and the accuracy is +/-.0001"; It is a Grade A (Grade 0) plate
  • Granite surface plates meet or exceed Federal Specifications GGG-P-463C and it includes a certificate of inspection (Note that these are not NIST traceable)
  • Granite plates are used for measuring the flatness and squareness of other objects, laying out parts, calibrating instruments, setting up tools, checking parallelism and perpendicularity, and measuring heights with the use of a height gage
  • They are also used as a work surface for assembling, inspecting, and marking parts; Non-magnetic and non-conductive; Harder than steel and does not nick or burr
  • Surface plates are offered by HHIP in various sizes and brands, with different levels of flatness and accuracy and are checked by an auto collimator for overall accuracy assurance

How to choose a good calibration surface plates

Does the idea of finding a fantastic calibration surface plates make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in calibration surface plates. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top calibration surface plates products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top calibration surface plates on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top calibration surface plates brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top calibration surface plates based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the calibration surface plates were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good calibration surface plates, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your calibration surface plates.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting calibration surface plates for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our calibration surface plates. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what calibration surface plates should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on calibration surface plates.