Related Resources: hardware

BS 4620 Cold Forged Snap Head Rivet

Engineering ANSI Hardware Design Data
Engineering Metric Hardware Design Data

BS 4620 Cold Forged Snap Head Rivet Sizes and Dimensions Table

aRivet sizes shown in brackets are non-preferred.

With:

d = 16 mm or smaller
D = 1.75d
K = 0.6d
L = length

BS 4620 Cold Forged Snap Head Rivet

All dimensions in mm

Nominal
shank
diameter
d
Tolerance
on
diameter
d
Nominal
head
diameter
D
Tolerance
on
diameter
D
Nominal
head
depth
K
Tolerance
on
head
depth
K
Tolerance
on
length
L
1
±0.07
1.8
±0.2
0.6
+0.2
-0.0
+0.5
-0.0
1.2
±0.07
2.1
±0.2
0.7
+0.2
-0.0
+0.5
-0.0
1.6
±0.07
2.8
±0.2
1.0
+0.2
-0.0
+0.5
-0.0
2.0
±0.07
3.5
±0.24
1.2
+0.24
-0.0
+0.5
-0.0
2.5
±0.07
4.4
±0.24
1.5
+0.24
-0.0
+0.5
-0.0
3.0
±0.07
5.3
±0.24
1.8
+0.24
-0.0
+0.5
-0.0
(3.5)
±0.09
6.1
±0.29
2.1
+0.29
-0.0
+0.5
-0.0
4
±0.09
7.0
±0.29
2.4
+0.29
-0.0
+0.5
-0.0
5
±0.09
8.8
±0.29
3.0
+0.29
-0.0
+0.5
-0.0
6
±0.09
10.5
±0.35
3.6
+0.35
-0.0
+0.5
-0.0
(7)
±0.11
12.3
±0.35
4.2
+0.35
-0.0
+0.8
-0.0
8
±0.11
14.0
±0.35
4.8
+0.35
-0.0
+0.8
-0.0
10
±0.11
18.0
±0.42
6.0
+0.42
-0.0
+0.8
-0.0
12
±0.14
21.0
±0.42
7.2
+0.42
-0.0
+1.0
-0.0
(14)
±0.14
25.0
±0.42
8.4
+0.42
-0.0
+1.0
-0.0
16
±0.14
28.0
±0.42
9.6
+0.42
-0.0
+1.0
-0.0