... Used for Switch, Relay, or Thermostats and so on, RoHS Compliant Materials: steel, alloy steel and stainless steelStandards: DIN934, DIN555, DIN439, ... UNI5587, DIN6915, DIN1587, DIN439, A194, A563, and ... 2, 5, 6, 8, A194 2H, A194 4, and A563 DHSurface: plain, black, phosphate, zinc, hot dip galvanizing ...