Gauge Blocks are basic unit for length measurement, mainly used to inspec or calibrate apparatus, gauge and high precision components.
Material: GCr15, YG8, ZrO2
With long lifetime, durable for usage, stable performance, high resistance to magnetic, corrosion, wearing.
Accuracy and technical standard:
ISO3650-1978, GB/T6093-2001, JISB7506-1978, DIN861-1980, GGG-G-15c-1975
Well designed pretty and proper packaging.
Inch System Reference Table
Rectangular Gage Blocks in Inch System |
The limited deviation and tolerance variation in length according to GGG-G-15c |
Gage Block length (inch) |
Grade 2 |
Grade 3 |
Grade B |
Limited Deviation (±) |
Tolerance in variation in length |
Limited Deviation (±) |
Tolerance in variation in length |
Limited Deviation (±) |
Tolerance in variation in length |
Max allowance in μinch |
~1 |
+4 |
4 |
8 |
5 |
±40 |
5 |
-2 |
-4 |
>1~2 |
+8 |
16 |
-4 |
-8 |
>2~3 |
+10 |
20 |
-5 |
-10 |
>3~4 |
+12 |
24 |
-6 |
-12 |
ASME (US) |
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Norminal Length (inch) |
Accuracy under 20ºC(μinch) |
Grade 0 |
Grade 1 |
Grade 2 |
.01~2 |
±4 |
±6 |
±10 |
2~6 |
±4 |
±6 |
±10 |
6~20 |
±6 |
±7 |
±10 |
20~40 |
±7 |
±8 |
±10
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Set Table for rectangular Gage Blocks in Inch System |
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Set No. |
Number of Blocks |
Standard Length Series (inch) |
Increment (inch) |
pieces |
Technical Standards |
Class |
1 |
88 |
.100025... .100075 |
.000025 |
3 |
GGG-G-15c GGG-G-15a |
|
.0625...... .109375 |
.15625 |
4 |
2 |
.1001...... .1009 |
.0001 |
9 |
3 |
.101...... .149 |
.001 |
49 |
B |
.050...... .950 |
.050 |
19 |
|
1...... 4 |
1 |
4 |
|
2 |
81 |
.1001...... .1009 |
.0001 |
9 |
GGG-G-15c GGG-G-15a |
2 |
.101...... .149 |
.001 |
49 |
3 |
.050...... .950 |
.050 |
19 |
B |
1...... 4 |
1 |
4 |
|
3 |
36 |
0.05 |
- |
1 |
GGG-G-15c GGG-G-15a |
|
.1001...... .1009 |
.0001 |
9 |
|
.101...... .109 |
.001 |
9 |
2 |
.110...... .190 |
.01 |
9 |
3 |
.100...... .500 |
.10 |
5 |
B |
1, 2, 4 |
- |
3 |
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Caliper to be inspected |
Length Series (inch) |
Pieces |
Class |
0~4 |
1.3, 2.634, 3.996, 0.5, 1, 1 |
6 |
|
0~6 |
1.82, 3.88, 5.95, 0.5, 1, 1 |
6 |
2 |
0~8 |
2.62, 5.28, 7.95, 0.5, 1, 1 |
6 |
3 |
0~12 |
3.82, 7.88, 11.59, 0.5, 1, 1 |
6 |
B |