- Punch or drill the mounting hole. Do not deburr the hole or perform any other secondary operations.
- Place fastener into anvil recess then place sheet over the fastener spigot.
- Apply squeezing force, ensuring that the punch and anvil surfaces are parallel, until the retainer shoulder makes contact with the face of the sheet.
Hole Sizes - Metric (mm)
Pin Diameter +/- 0.05 |
Min. Sheet Thickness |
Hole size in Sheet + 0.08 |
Min. Distance hole C/L to edge |
3mm |
1 |
3.5 |
6.4 |
4mm |
1 |
4.5 |
7.1 |
5mm |
1 |
5.5 |
7.6 |
6mm |
1 |
6.5 |
7.9 |
Hole Sizes - Inch (inches)
Pin Diameter -0.002 |
Min. Sheet Thickness |
Hole size in Sheet + 0.08 |
Min. Distance Hole C/L to edge |
0.125 |
0.040 |
0.145 |
0.255 |
0.187 |
0.040 |
0.205 |
0.285 |
0.250 |
0.040 |
0.273 |
0.315 |
Tooling
Sheet Thickness: up to 1.7mm for 3mm and 4mm diameter, up to 1.8mm for 5mm diameter, up to 1.9mm for 6mm diameter |
 |
Pin Dia. |
A mm 0.05 |
C mm 0.05 |
3mm |
3.88 |
3.11 |
4mm |
4.88 |
4.11 |
5mm |
5.89 |
5.13 |
6mm |
6.89 |
6.12 |
Sheet Thickness: over 1.7mm for 3mm and 4mm diameter, over 1.8mm for 5mm diameter, over 1.9mm for 6mm diameter |
 |
Pin Dia. |
A mm 0.05 |
C mm 0.05 |
3mm |
N/A |
3.11 |
4mm |
N/A |
4.11 |
5mm |
N/A |
5.13 |
6mm |
N/A |
6.12 |
Note: Due to the fact that fastening applications differ greatly, the above information is for guidance only and is correct to the best of our knowledge. The customer must satisfy themselves with the performance of the fastener and validity of the data. TR Fastenings will not be held responsible for any failure that may occur from the use of this information.