Silver Brass Trimetal Contact

Standard Shapes Specifications Grade A: the ratio of head diameter D?to shank diameter d is around 1.7~2.2. Grade B: the ratio of head diameter D?to shank diameter d is around 1.2~1.4.Table 1.?Grade A?Trimetal Rivet Dimensions&Tolerances (mm) ? ? ?ItemHead Diameter D?(?)Head Thickness?(T)Head Contact Layer Thickness (S1)Shank Contact Layer Thickness (S2)Shank Diameter?d?(?)Shank Length ? ? ?(L)Spherical Radius ? ? ?(SR)Demould angle???(o)Basic Size2.5~3.20.4~1.10.15~0.50.2~1.01.51.0~2.55~*.3~4.20.6~1.20.25~0.60.2~1.02.01.3~3.56~124.3~5.00.8~1.50.35~0.70.2~1.02.51.5~4.08~15Tolerance range?0.08?0.03?0.4+0.04 ? ? ??0.4-0.04?0.04-0.02 ? ? ?-0.10+0.15 ? ? ?0?2?2Table 2. Grade B Trimetal Rivet Dimensions&Tolerances (mm) ? ? ?ItemHead Diameter D?(?)Head Thickness?(T)Head Contact Layer Thickness (S1)Shank Contact Layer Thickness (S2)Shank Diameter?d?(?)Shank Length ? ? ?(L)Spherical Radius ? ? ?(SR)Demould angle???(o)Basic Size2.5~3.50.4~0.90.2~0.350.3~0.51.8~2.20.8~1.56~*.0~4.00.6~1.10.25~0.50.3~0.62.4~2.70.9~1.88~154.0~4.50.7~1.20.3~0.550.3~0.62.9~3.21.0~2.010~204.5~5.50.8~1.50.3~0.60.4~0.73.5~4.51.5~2.512~305.5~6.50.9~1.50.3~0.60.4~0.74.5~5.51.5~3.015~406.5~7.51.0~2.00.4~0.70.5~0.85.5~6.52.0~4.520~60Tolerance range?0.08?0.03?0.4+0.04 ? ? ??0.4-0.04?0.04-0.02 ? ? ?-0.10+0.15 ? ? ?0?2?2Main Application Trimetal rivets are normally used as double?sides?contacts, mainly used in relays, micro switches, bottom?switches and?contactors.Main MaterialAgCu/Cu, Ag/Cu, AgNi/Cu, AgSnO2In2O3/Cu, AgSnO2/Cu, AgCdO/Cu, AgCuO/Cu, AgZnO/Cu.?Product Photo Show

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