Technical Data:
3-wires
Used with standard outside micrometers to measure pitch diameter of screw threads
Diameter accuracy: +/-0.5um
Cylindricity: 1um
Hardness: HRC60
Scope of application: outside diameter of thread <=50mm
Supplied with manufacturer inspection certificate
For outside micrometers with spindle diameter: dia.6.35mm
Pin gauge diameter: dia.2.550mm
Applicable pitch: 4mm, 4.5mm

Dimensions:
Wire length=27mm
End/reference length=10mm
Micrometer spindle diameter D=dia.6.35mm