IEC 7006-27B-1 E27 Thread Cap Go Gauge with 0.2 Radius

IEC60061-3: 7006-27B-1 go gauge for E27 Caps on Finished Lamps

The drawing is intended only to illustrate the essential dimensions of the gauge.

The sharp part of the edge of the thread shall be broken with a radius of 0.2 mm to 0.3 mm.

PURPOSE:
To check the maximum dimensions of the screw thread and dimension T1 minimum of caps on finished lamps shown on sheet 7004-21.

TESTING:
When the cap on a finished lamp has been screwed into the gauges as far as it will go, the centre contact shall be coplanar with, or project beyond surface X.