Master Rectangular Square, Granite
Improve and verify machine tool accuracy with our high-precision Granite Squares. Manufactured to ISO 8512-2 standards, these laboratory-grade squares feature lapped measuring faces for superior perpendicularity and parallelism. Available in Grade 00 and custom sizes.
| Master Rectangular Square, Granite | L1 (mm) | L2 (mm) | B (mm) | Class | Flatness | Perpendicularity | Net Kg | Part number |
|---|---|---|---|---|---|---|---|---|
|
250 x 250
|
250 | 250 | 40 | 00 | 2.5 µm | 1.2 µm | 7 | 451.4G2.250.250.040 |
250 x 250Maximize your inspection efficiency with our 4-Sided Granite Squares. Unlike standard squares, the four finished faces allow for versatile measurement of multiple axes without repositioning the master. Crafted from dense, stable black granite and lapped to Grade 00 tolerances, these squares provide the ultimate reference for verifying machine tool squareness and alignment.
L1 (mm)
250
L2 (mm)
250
B (mm)
40
Class
00
Flatness
2.5 µm
Perpendicularity
1.2 µm
Net Kg
7
Part number
451.4G2.250.250.040
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|
350 x 350
|
350 | 350 | 50 | 00 | 2.7 µm | 1.8 µm | 17 | 451.4G2.350.350.050 |
350 x 350Maximize your inspection efficiency with our 4-Sided Granite Squares. Unlike standard squares, the four finished faces allow for versatile measurement of multiple axes without repositioning the master. Crafted from dense, stable black granite and lapped to Grade 00 tolerances, these squares provide the ultimate reference for verifying machine tool squareness and alignment.
L1 (mm)
350
L2 (mm)
350
B (mm)
50
Class
00
Flatness
2.7 µm
Perpendicularity
1.8 µm
Net Kg
17
Part number
451.4G2.350.350.050
|
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|
500 x 250
|
500 | 250 | 50 | 00 | 3.0 µm | 2.5 µm | 15 | 451.4G2.500.250.050 |
500 x 250Maximize your inspection efficiency with our 4-Sided Granite Squares. Unlike standard squares, the four finished faces allow for versatile measurement of multiple axes without repositioning the master. Crafted from dense, stable black granite and lapped to Grade 00 tolerances, these squares provide the ultimate reference for verifying machine tool squareness and alignment.
L1 (mm)
500
L2 (mm)
250
B (mm)
50
Class
00
Flatness
3.0 µm
Perpendicularity
2.5 µm
Net Kg
15
Part number
451.4G2.500.250.050
|
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|
500 x 500
|
500 | 500 | 50 | 00 | 3.0 µm | 2.5 µm | 34 | 451.4G2.500.500.050 |
500 x 500Maximize your inspection efficiency with our 4-Sided Granite Squares. Unlike standard squares, the four finished faces allow for versatile measurement of multiple axes without repositioning the master. Crafted from dense, stable black granite and lapped to Grade 00 tolerances, these squares provide the ultimate reference for verifying machine tool squareness and alignment.
L1 (mm)
500
L2 (mm)
500
B (mm)
50
Class
00
Flatness
3.0 µm
Perpendicularity
2.5 µm
Net Kg
34
Part number
451.4G2.500.500.050
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|
750 x 350
|
750 | 350 | 60 | 00 | 3.5 µm | 3.8 µm | 36 | 451.4G2.750.350.060 |
750 x 350Maximize your inspection efficiency with our 4-Sided Granite Squares. Unlike standard squares, the four finished faces allow for versatile measurement of multiple axes without repositioning the master. Crafted from dense, stable black granite and lapped to Grade 00 tolerances, these squares provide the ultimate reference for verifying machine tool squareness and alignment.
L1 (mm)
750
L2 (mm)
350
B (mm)
60
Class
00
Flatness
3.5 µm
Perpendicularity
3.8 µm
Net Kg
36
Part number
451.4G2.750.350.060
|
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|
750 x 750
|
750 | 750 | 60 | 00 | 3.5 µm | 3.8 µm | 88 | 451.4G2.750.750.060 |
750 x 750Maximize your inspection efficiency with our 4-Sided Granite Squares. Unlike standard squares, the four finished faces allow for versatile measurement of multiple axes without repositioning the master. Crafted from dense, stable black granite and lapped to Grade 00 tolerances, these squares provide the ultimate reference for verifying machine tool squareness and alignment.
L1 (mm)
750
L2 (mm)
750
B (mm)
60
Class
00
Flatness
3.5 µm
Perpendicularity
3.8 µm
Net Kg
88
Part number
451.4G2.750.750.060
|
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|
1000 x 500
|
1000 | 500 | 80 | 00 | 4.0 µm | 5.0 µm | 105 | 451.4G2.1000.500.080 |
1000 x 500Maximize your inspection efficiency with our 4-Sided Granite Squares. Unlike standard squares, the four finished faces allow for versatile measurement of multiple axes without repositioning the master. Crafted from dense, stable black granite and lapped to Grade 00 tolerances, these squares provide the ultimate reference for verifying machine tool squareness and alignment.
L1 (mm)
1000
L2 (mm)
500
B (mm)
80
Class
00
Flatness
4.0 µm
Perpendicularity
5.0 µm
Net Kg
105
Part number
451.4G2.1000.500.080
|
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|
1000 x 1000
|
1000 | 1000 | 80 | 00 | 4.0 µm | 5.0 µm | 201 | 451.4G2.1000.1000.080 |
1000 x 1000Maximize your inspection efficiency with our 4-Sided Granite Squares. Unlike standard squares, the four finished faces allow for versatile measurement of multiple axes without repositioning the master. Crafted from dense, stable black granite and lapped to Grade 00 tolerances, these squares provide the ultimate reference for verifying machine tool squareness and alignment.
L1 (mm)
1000
L2 (mm)
1000
B (mm)
80
Class
00
Flatness
4.0 µm
Perpendicularity
5.0 µm
Net Kg
201
Part number
451.4G2.1000.1000.080
|
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