Bujie standard NGK DP7EA.
Technical specifications:
- thread diameter: 12mm
- thread pitch: 1.25mm
- with resistor: no
- resistor value: -
- thread length (including unthreaded part): 19mm
- hexagon diameter: 18mm
- terminal type: detachable nut
- electrode gap: 0.9mm
- heat range: 7
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