Gage Blocks
Step Master SERIES 516
Step master is a master gage used for the z-axis (vertical direction) calibration of optical instruments.
• Each adjacent step is measured down to 0.01µm by using a interferometer within ±0.20µm allowance. • Steel and ceramic types are available.
DIMENSION
Block No.
1 2 3 4 5
300
100 50 20 µm
Adjacent step
7
7 7 7 7
516-498 Ceramic type
45
Magnified view of step
516-199 Steel type
SPECIFICATIONS Metric Order No.
E
Step value between adjacent blocks
Remarks
No. 1 - No. 2 No. 2 - No. 3 No. 3 - No. 4 No. 4 - No. 5
516-198 516-199 516-498 516-499
10µm
5µm
2µm
1µm
Steel type Steel type
300µm 100µm 50µm
20µm
10µm
5µm
2µm
1µm
Ceramic type Ceramic type
300µm 100µm 50µm
20µm
Made-to-order Block & Reference • Mitutoyo can provide gage blocks and reference gages to your size and design.
A: Ceramic rectangular gage block (21.94mm) B: Ceramic square gage block (2.1005mm) C: Steel square gage block (10.72mm) D: Steel square gage block (2.2065mm) E: Ceramic rectangular gage block (20.64mm) F: Steel rectangular gage block (31.5mm) G: Ceramic rectangular gage block (6.34mm) H: Steel rectangular gage block (3.603mm) I: Steel rectangular gage block (1.1505mm) J: Steel rectangular gage block (0.555mm) K: Steel rectangular gage block (6.156mm) L: Steel rectangular gage block (9.694mm) M: Steel rectangular gage block (10.02mm)
B
C
Available Dimension Nominal size:
D
.004 to 20” / 0.1 to 1000mm (steel) .1 to 20” / 0.5 to 500mm (ceramic)
E
A
F
Nominal pitch:
0.0005mm (up to 100mm) 0.001mm (over 100mm)
Minimum section dimension:
Approx. .24 x .24” / 6 x 6mm
M
Maximum section dimension:
L
Approx. 5.5 x 5.5” / 140 x 140mm (steel) Approx. 6.3” Dia. / ø160mm (steel, cylindrical) Approx. 3.94 x 1.97” / 100 x 50mm (ceramic) Approx. .24” Dia. / ø60mm (ceramic, cylindrical)
G
K
H
I J
Special reference gages and step master (T: nominal size)
Accuracy:
Gage Block Grade level
● CERA stepped master block Adjacent step: 40/30/20/10 μm
● CERA block 46×46×T3.16
Special materials of low expansion glass and low expansion ceramic are available.
● CERA block 20×35×T18
● CERA block ø 45×T10
● Steel block 15×100×T10 ● Steel block 30×30×T1.1
● CERA reference plate Flatness: 0.3 μm (50×50×10)
Find a Distributor
● Steel block ø 13.8×T5.7
Unit: mm
E-24
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