■Characteristics: ● Material: Made from Nickel-plated Brass. ● Thread System: According to the Germany standard DIN40430. ● Standard Colors: Metallic silver. ● Protection Degree: Up to IP54. ● Protection Degree: Up to IP68 (only if assembled with O-ring on the very plane surface). ● Operation Temperature: Static: -40℃ to 100℃, short-term: 120℃. Dynamic: -20℃ to 80℃, short-term: 100℃. ■Applications: Use hexagon spanner to tighten it to seal the spare holes. ■Specifications:
