Silver Brass Trimetal Contact Rivets

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 (Φ)Head Thickness (T)Head Contact Layer Thickness (S1)Shank Contact Layer Thickness (S2)Shank Diameter d (Φ)Shank Length      (L)Spherical Radius      (SR)Demould angle θ (o)Basic Size2.5~3.20.4~1.10.15~0.50.2~1.01.51.0~2.55~12113.3~4.20.6~1.20.25~0.60.2~1.02.01.3~3.56~124.3~5.00.8~1.50.35~0.70.2~1.02.51.5~4.08~15Tolerance 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 (Φ)Head Thickness (T)Head Contact Layer Thickness (S1)Shank Contact Layer Thickness (S2)Shank Diameter d (Φ)Shank Length      (L)Spherical Radius      (SR)Demould angle θ (o)Basic Size2.5~3.50.4~0.90.2~0.350.3~0.51.8~2.20.8~1.56~12133.0~4.00.6~1.10.25~0.50.3~0.62.4~2.70.9~1.88~154.0~4.50.7~1.20.3~0.550.3~0.62.9~3.21.0~2.010~204.5~5.50.8~1.50.3~0.60.4~0.73.5~4.51.5~2.512~305.5~6.50.9~1.50.3~0.60.4~0.74.5~5.51.5~3.015~406.5~7.51.0~2.00.4~0.70.5~0.85.5~6.52.0~4.520~60Tolerance 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