Inside Micrometers
Model No. |
Range |
Grad. |
Accuracy |
424-110 |
25-50mm |
0.01mm |
±4µm |
424-115 |
50-75mm |
0.01mm |
±5µm |
424-120 |
75-100mm |
0.01mm |
±5µm |
424-125 |
100-125mm |
0.01mm |
±6µm |
424-130 |
125-150mm |
0.01mm |
±6µm |
424-135 |
150-175mm |
0.01mm |
±7µm |
424-140 |
175-200mm |
0.01mm |
±7µm |
424-145 |
200-225mm |
0.01mm |
±8µm |
424-150 |
225-250mm |
0.01mm |
±8µm |
424-155 |
250-275mm |
0.01mm |
±9µm |
424-160 |
275-300mm |
0.01mm |
±9µm |
Model No. |
Range |
Grad. |
Accuracy |
425-110 |
1-2” |
0.001” |
±0.00024” |
425-115 |
2-3” |
0.001” |
±0.00024” |
425-120 |
3-4” |
0.001” |
±0.00024” |
425-125 |
4-5” |
0.001” |
±0.00024” |
425-130 |
5-6” |
0.001” |
±0.00031” |
425-135 |
6-7” |
0.001” |
±0.00031” |
425-140 |
7-8” |
0.001” |
±0.00031” |
425-145 |
8-9” |
0.001” |
±0.00035” |
425-150 |
9-10” |
0.001” |
±0.00035” |
425-155 |
10-11” |
0.001” |
±0.00035” |
425-160 |
11-12” |
0.001” |
±0.00035” |

Precison rods can gurantee the accuracy of measurement be free of the influence of threads resultant of forces
Different sizes of interna micrometers can be supplied upon request of customers
Accuracy :±(3+N+L/50)µm
N=number of rods
L=maximum measuring range mm
Model No. |
Range |
Grad. |
Route |
Length of rods |
424-165A |
300-500mm |
0.01mm |
25mm |
25,50,100mm |
424-170A |
300-800mm |
0.01mm |
25mm |
25,50,100(2pcs),200mm |
424-175A |
300-1300mm |
0.01mm |
25mm |
25,50,100,200,300,400mm |
424-180A |
300-1600mm |
0.01mm |
25mm |
25,50,100,200(2pcs),300,400mm |
424-185A |
300-2200mm |
0.01mm |
25mm |
25,50,100(2pcs),200(2pcs),300,400,500mm |
|
1000-5000mm |
|
25mm |
As per customer’s requirement |

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