Closed-End rivets prevent the passage of vapor or liquid through the set rivet. They also provide 100% mandrel retention. This means the head of the mandrel that breaks off stays in the set rivet. This assures that it won’t fall into your assembly and rattle around or short out electronics
Nominal Diameter d | Φ3 | (Φ3.2) | Φ4 | Φ5 | Φ6 | |||||||
d | max | 3.07 | 3.29 | 4.09 | 5.09 | 6.09 | ||||||
min | 2.93 | 3.11 | 3.91 | 4.91 | 5.91 | |||||||
dk | max | 6.24 | 6.24 | 8.29 | 9.89 | 12.35 | ||||||
min | 5.76 | 5.76 | 7.71 | 9.31 | 11.65 | |||||||
k | max | 1.2 | 1.2 | 1.4 | 1.6 | 2 | ||||||
d1 | ≈ | 1.8 | 1.8 | 2.18 | 2.8 | 3.6 | ||||||
L1 | min | 26 | 26 | 27 | 27 | 31 |