Technical Data:
Meet international standard API 7-2
Measure height of rotary shouldered internal thread connections
Dial indicator graduation: 0.01mm
Accuracy: 0.02mm
Range (L): 0-3.5mm
Form of thread to be inspected: V-0.055
A: dia.1.829mm

Dimensions:
Body diameter=dia.40mm
Reference length=300mm
A=dia.1.829mm

Optional:
Thread height standard blocks: 6255 series