Expertise
Tol. of Ground Rods' Diameter
Diameter | h4 | h5 | h6 | h7 |
0-3.0mm 0-0.1181 in. | 0.003mm 0.00012 in. | 0.004mm 0.00015 in. | 0.006mm 0.00024 in. | 0.010mm 0.00039 in. |
3.001-6.0mm 0.1181-0.2362 in. | 0.004mm 0.00015 in. | 0.005mm 0.00020 in. | 0.008mm 0.00031 in. | 0.012mm 0.00047 in. |
6.001-10.0mm 0.2363-0.3937 in. | 0.004mm 0.00015 in. | 0.006mm 0.00024 in. | 0.009mm 0.00035 in. | 0.015mm 0.00059 in. |
10.001-18.0mm 0.3938-0.7087 in. | 0.005mm 0.00020 in. | 0.008mm 0.00031 in. | 0.011mm 0.00043 in. | 0.018mm 0.00071 in. |
18.001-30.0mm 0.7088-1.1811 in. | 0.006mm 0.00024 in. | 0.009mm 0.00035 in. | 0.013mm 0.00051 in. | 0.021mm 0.00083 in. |
30.001-50.0mm 1.1812-1.9685 in. | 0.007mm 0.00028 in. | 0.011mm 0.00043 in. | 0.016mm 0.00063 in. | 0.025mm 0.00098 in. |
● “h”Tolerance is+0.0/-
Tol. of Ground Rods' Diameter
Type | Accuracy |
Polished Rods | 0.00-0.05um |
Ground Rods | 0.00-0.10um |
Dull Finished | 0.10-0.29um |
● Roundness Tolerance
● The stand roundness tolerance of the ground rod is 0.002mm.
Tol. of Ground Rods' Diameter
Diameter | h4 | h5 | h6 | h7 |
0-3.0mm 0-0.1181 in. | 0.003mm 0.00012 in. | 0.004mm 0.00015 in. | 0.006mm 0.00024 in. | 0.010mm 0.00039 in. |
3.001-6.0mm 0.1181-0.2362 in. | 0.004mm 0.00015 in. | 0.005mm 0.00020 in. | 0.008mm 0.00031 in. | 0.012mm 0.00047 in. |
6.001-10.0mm 0.2363-0.3937 in. | 0.004mm 0.00015 in. | 0.006mm 0.00024 in. | 0.009mm 0.00035 in. | 0.015mm 0.00059 in. |
10.001-18.0mm 0.3938-0.7087 in. | 0.005mm 0.00020 in. | 0.008mm 0.00031 in. | 0.011mm 0.00043 in. | 0.018mm 0.00071 in. |
18.001-30.0mm 0.7088-1.1811 in. | 0.006mm 0.00024 in. | 0.009mm 0.00035 in. | 0.013mm 0.00051 in. | 0.021mm 0.00083 in. |
30.001-50.0mm 1.1812-1.9685 in. | 0.007mm 0.00028 in. | 0.011mm 0.00043 in. | 0.016mm 0.00063 in. | 0.025mm 0.00098 in. |
● “h”Tolerance is+0.0/-
Tol. of Ground Rods' Diameter
Type | Accuracy |
Polished Rods | 0.00-0.05um |
Ground Rods | 0.00-0.10um |
Dull Finished | 0.10-0.29um |
● Roundness Tolerance
● The stand roundness tolerance of the ground rod is 0.002mm.