Measures the pitch of the thread directly. The screw thread micrometer has a 60-degree pointed spindle and a double Conical swiveling anvil.The screw thread micrometer reading indicates the pitch diameter of the thread. When the micrometer is set at zero, the pitch line of the spindle and anvil coincide . When the micrometer is measuring the thread it is measuring along the pitch diameter of the thread.
Features;
1. 60 ° Or 55° Conical and knife-edged anvils( inchangeable)
2. Size of anvil_tail: 5-15mm
3.Resolution: 0.001mm/0.00005"
.A. Metric Screw(60° Thread), Pitch/inch
0.4-0.5mm/64-48TPI
0.6-0.9mm/44-28TPI
1-1.75MM/24-14TPI
2-3mm/13-9TPI
3.5-5MM/8-5TPI
5.5-7mm/4.5-3.5TPI
B. Withworth screw(55 ° Thread)
60-48TPI
48-40TPI
40-32TPI
32-24TPI
24-18TPI
18-14TPI
14-10TPI
10-7TPI
7-4.5TPI
4.5-3.5TPI
Metric
|
Order NO
|
Range
|
Resolution
|
|
DM-123101
|
0-25mm
|
0.01mm
|
|
|
25-50mm
|
0.01mm
|
|
|
50-75mm
|
0.01mm
|
|
|
75-100mm
|
0.01mm
|
|
|
100-125mm
|
0.01mm
|
|
|
125-150mm
|
0.01mm
|
|
|
150-175mm
|
0.01mm
|
|
|
175-200mm
|
0.01mm
|
Inch:
|
Order NO
|
Range
|
Resolution
|
|
DM-123101Y
|
0-1"
|
0.001"
|
|
|
1-2"
|
|
|
|
2-3"
|
|
|
|
3-4"
|
|
|
|
4-5"
|
|
|
|
5-6"
|
|
|
|
6-7"
|
|
|
|
7-8"
|
|
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