Zhejiang Aokai Electric Co.,Ltd

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) Table 2. Grade B Trimetal Rivet...

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Standard Shapes

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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)


     Item

Head 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 Size

2.5~3.2

0.4~1.1

0.15~0.5

0.2~1.0

1.5

1.0~2.5

5~12

11

3.3~4.2

0.6~1.2

0.25~0.6

0.2~1.0

2.0

1.3~3.5

6~12

4.3~5.0

0.8~1.5

0.35~0.7

0.2~1.0

2.5

1.5~4.0

8~15

Tolerance range

±0.08

±0.03

≤0.4+0.04
     >0.4-0.04

±0.04

-0.02
     -0.10

+0.15
     0

±2

±2

Table 2. Grade B Trimetal Rivet Dimensions&Tolerances (mm)


     Item

Head 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 Size

2.5~3.5

0.4~0.9

0.2~0.35

0.3~0.5

1.8~2.2

0.8~1.5

6~12

13

3.0~4.0

0.6~1.1

0.25~0.5

0.3~0.6

2.4~2.7

0.9~1.8

8~15

4.0~4.5

0.7~1.2

0.3~0.55

0.3~0.6

2.9~3.2

1.0~2.0

10~20

4.5~5.5

0.8~1.5

0.3~0.6

0.4~0.7

3.5~4.5

1.5~2.5

12~30

5.5~6.5

0.9~1.5

0.3~0.6

0.4~0.7

4.5~5.5

1.5~3.0

15~40

6.5~7.5

1.0~2.0

0.4~0.7

0.5~0.8

5.5~6.5

2.0~4.5

20~60

Tolerance range

±0.08

±0.03

≤0.4+0.04
     >0.4-0.04

±0.04

-0.02
     -0.10

+0.15
     0

±2

±2

Main Application
Trimetal rivets are normally used as double sides contacts, mainly used in relays, micro switches, bottom switches and contactors.

Main Material

AgCu/Cu, Ag/Cu, AgNi/Cu, AgSnO2In2O3/Cu, AgSnO2/Cu, AgCdO/Cu, AgCuO/Cu, AgZnO/Cu. 


Aokai Electric is your best source for the high quality silver brass trimetal contact rivets with CE certification. We have been one of the largest such manufacturers and suppliers in China since our establishment in 2008. Welcome to contact our factory for the products.

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