Granite Surface Plate Grades

Granite Surface Plate Grades

Granite surface plate grade Granite Surface plates have been the literal foundation of measurement for decades. The surface plate is used as a reference plane for precision inspection, layout and tooling setup around the world. It is inherently stable, non-magnetic and will not rust. In addition...

Product Details

Granite surface plate grade

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Granite Surface plates have been the literal foundation of measurement for decades. The surface plate is used as a reference plane for precision inspection, layout and tooling setup around the world. It is inherently stable, non-magnetic and will not rust. In addition it can be lapped to maintain its flatness and repeat reading.


At Jinan Fortune Precision Machinery Co.,LTD we are experts at providing precise, high quality granite surfaces made to laboratory grade, inspection grade, and tool room grade accuracy. We are able to provide surface plates, tool making flats, angle plates, parallels, V-Blocks, 5-faced master squares and more. Our granite features low water absorption characteristics, excellent surface hardness, and high levels of wear resistance. As a full service provider we service what we sell, and can provide calibration and resurfacing (lap) of granite, as well as drilling and installation of inserts in granite. A wide variety of precision tooling and measurement applications benefit from our comprehensive granite products and services, contact us today to learn more.


Jinan Fortune Precision Machinery Co.,LTD Surface Plate Calibration is the most accurate and reliable calibration service available. Our computerized digital electronics capabilities allow automatic economical, fast and error-free calculations and surface plates will be checked for flatness and repeat reading.


We will also resurface to the required grade for your granite surface plates that are found out of tolerance. Jinan Fortune Precision Machinery Co.,LTD follows DIN876, Federal Specification GGG-P-463c, ASME B89.3.7-2013, or customer specific specification. All services can be performed in you plant and are conveniently scheduled to meet your requirements.

 

GB Standard:

Specification

Precision Grade (μm)

Packing VOL 
     (mm)

Gross weight (kgs)

Grade 000

Grade 00

Grade 0

Grade 1

160x100x50

0.8

1.5

3

6

270x210x150

8

160x160x50

0.8

1.5

3

6

270x270x150

9

250x160x50

0.9

1.8

3.5

7

370x270x150

11

250x250x50

0.9

1.8

3.5

7

370x370x150

13

300x200x50

0.9

1.8

3.6

7

410x270x180

15

300x300x70

1

1.9

3.8

7.5

410x370x200

27

400x250x70

1

2

4

8

510x470x200

30

400x400x70

1.2

2.3

4.5

9

528x488x210

46

630x400x100

1.3

2.5

5

10

740x490x270

94

630x630x100

1.3

2.5

5

10

750x730x270

155

800x500x100

1.4

2.7

5.3

11

920x600x280

155

900x600x100

1.5

2.9

5.7

11.5

1000x660x200

200

1000x630x150

1.5

3

6

12

1120x740x330

335

1000x750x150

1.6

3.2

6.3

12.5

1250x950x330

398

1000x1000x150

1.8

3.5

7

14

1250x1230x330

532

1600x1000x200

2

4

8

16

1870x1230x370

1080

1600x1600x200

2.4

4.8

9.5

19

1870x1830x370

1730

2000x1000x200

2.4

4.8

9.5

19

2270x1230x400

1345

2000x1600x250

2.5

5

10

20

2310x1830x460

2622

2500x1600x300

2.9

5.8

11.5

23

2810x1830x510

3872

3000x2000x400

3.3

6.5

13

27

3350x2230x670

7651

4000x2000x500

4

8

16

32

4400x2230x800

12800

4000x2500x500

.4.4

8.8

17.5

35

4400x2730x800

16000

10000x8000x800

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10400x8230x1100

192000


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