Tel: +86-531-88917773                E-Mail: eaststar@public.jn.sd.cn

Explore Our Premium Granite Set Squares

Discover the durability and precision of our premium Black Granite Set Squares. Perfect for all your engineering needs with low maintenance and high resistance to corrosion.

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Comprehensive Overview of Granite Set Squares

Discover the unparalleled precision and durability of Jafuji's Granite Set Squares. Crafted from premium Black Granite, these squares offer exceptional resistance to corrosion and minimal thermal expansion compared to steel. With all four sides fully functional, our granite squares ensure accurate measurements for your projects. Available in various dimensions, they meet rigorous standards of perpendicularity and parallelism, making them indispensable for precision engineering. Embrace sustainability with our eco-friendly manufacturing practices and comprehensive after-sales support.

Outstanding Key Features of Our Granite Set Squares

Discover the outstanding key features of our Granite Set Squares, meticulously crafted from high-quality Black Granite. These squares are designed for precision and durability, offering excellent resistance to corrosion, a low coefficient of thermal expansion, and minimal maintenance requirements. Explore how these features set our Granite Set Squares apart in the market, providing unparalleled reliability and performance.

Superior Corrosion Resistance

Our Granite Set Squares are made from Black Granite, known for its excellent resistance to corrosion. This ensures long-lasting durability, making it an ideal choice for environments where exposure to corrosive elements is a concern.

Low Thermal Expansion

The coefficient of thermal expansion of our Granite Set Squares is significantly lower compared to steel. This feature ensures that the squares maintain their shape and precision even under varying temperatures, enhancing their reliability in diverse conditions.

Minimal Maintenance Requirements

Designed for ease of use, our Granite Set Squares require minimal maintenance. The inherent properties of Black Granite mean that these squares retain their accuracy and do not require frequent recalibration, saving you time and effort.

Four Working Sides

Each Granite Set Square features four working sides, providing versatility and convenience in various applications. This design ensures that you have multiple reference surfaces, enhancing the efficiency and accuracy of your work.

Granite Set Square Specifications

Discover our detailed specifications for various models of Granite Set Squares, crafted from high-quality black granite for superior durability and minimal maintenance. Compare dimensions, perpendicularity, and parallelism to find the perfect fit for your needs.

Dimension in mm (L x B x H)
Perpendicularity (um)
Parallelism (um)
200 x 150 x 30
4
-
300 x 200 x 40
4
-
400 x 250 x 50
4
-
630 x 400 x 60
6
-
800 x 500 x 80
8
-
1000 x 630 x 100
12
-
150 x 30 x 17
-
5
150 x 25 x 25
-
5
300 x 50 x 25
-
8

Customer Testimonials

Rajesh Kumar

The Granite Square from jafuji has exceeded my expectations. The precision and durability are unmatched. It's a vital tool in our workshop, and the low maintenance is a huge plus. Highly recommended!

Amanda Lee

I am thoroughly impressed with the quality of the Granite Square. The resistance to corrosion and its hard nature make it perfect for our needs. It's incredibly reliable and has made our work much more efficient.

Michael Brown

Using jafuji's Granite Square has been a game-changer for our measurements. The accuracy and stability it provides are exceptional. It's evident that this product is built to last and requires minimal upkeep.

Priya Sharma

The Granite Square's performance is outstanding. The close gray structure and low coefficient of thermal expansion make it ideal for precision tasks. It's a durable and reliable tool that we now can't do without.

John Smith

We have been using the Granite Square for a few months now, and it has proven to be an excellent investment. The precision and robustness are just what we needed for our projects. Maintenance is minimal, which is a significant advantage.

Li Wei

The Granite Square from jafuji is fantastic. The quality of the black granite and the meticulous craftsmanship are evident. It's a crucial part of our toolkit, offering reliability and precision in every use.

Frequently Asked Questions

Our FAQ module is designed to address common questions about our Granite Square products, helping you make informed decisions. We provide detailed answers to enhance your understanding and confidence in our offerings.

What are the key features of Granite Square made from Black Granite?

Granite Square made from Black Granite features a close gray structure, excellent resistance to corrosion, and superior hardness. It has a lower coefficient of thermal expansion compared to steel, requiring less maintenance. All four sides are precisely worked for high accuracy.

What are the available dimensions and their perpendicularity specifications?

Granite Square is available in various dimensions with specific perpendicularity. For example, 200 x 150 x 30 mm has a perpendicularity of 4 um, while 1000 x 630 x 100 mm has a perpendicularity of 12 um. Detailed specifications ensure precise measurements for diverse applications.

How does the coefficient of thermal expansion of Granite Square compare to steel?

Granite Square has a lower coefficient of thermal expansion compared to steel. This means it expands and contracts less with temperature changes, providing more stable and accurate measurements in varying environmental conditions.

What maintenance is required for Granite Square products?

Granite Square requires minimal maintenance due to its inherent properties. Regular cleaning with a soft cloth and mild detergent is sufficient. Avoid using abrasive materials or chemicals that could damage the surface. Proper storage in a controlled environment also helps maintain its accuracy.

Can you provide the parallelism specifications for smaller Granite Square dimensions?

Certainly! Smaller Granite Square dimensions have specific parallelism specifications. For instance, 150 x 30 x 17 mm and 150 x 25 x 25 mm both have a parallelism of 5 um, while 300 x 50 x 25 mm has a parallelism of 8 um. These precise measurements ensure high accuracy in applications.

Request a Quote

Discover the unmatched quality and precision of our Black Granite Squares. With superior resistance to corrosion and minimal maintenance needs, they are the perfect choice for your industrial requirements. Request your personalized quote now and see how our Granite Squares can enhance your projects.

Jinan East Star Precision Measure Co. Ltd. Founded in 1989, is specialized in producing granite measuring instruments and machinery parts.

Contact Us

   +86-531-88917773  /  +86-531-88917775  /  +86-531-88917776 / +86-531-88917778
  +86-531-88917779
  Headquarter Add: Jiaheng Business Building B Seat 17d, hualong Rd.1825 Jinancity China
   East Star Factory Add: Cuizhai Jiyang County Jinan City China (No.45 Jibei Road)
   Nano Factory Add: Zhang Qiu Ming Shui Developing Zone, jinan City, china

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