TR Self Clinch Stud installation
The TR Self Clinch Stud design is based around the Clinch Nut features and installation principles but offers a male thread cut to customer length requirements.
Select the appropriate hole size from the table below for the stud size required. Punch the hole diameter into the sheet and place on top of the appropriate anvil.
Place the stud so that the head serrations rest on the parent material. Ensure both plate and stud are aligned along the same axis. If not, the joint will be imperfect and mating threads will misalign.
Using a flat faced punch, apply only sufficient pressure to ‘squeeze’ the stud head and its under head tooth features into the parent sheet.
The tooth locking feature if properly installed will provide torsional (rotational) resistance. After installation the spigot joint should be flush with the sheet.
Installation animation
Using the table below with reference to the specific size of the clinch stud, select the correct hole size for the installation of the fastener.
For the best dimensional accuracy and therefore performance, TR recommends that all holes in the sheet metal application be punched.
Hole sizes - metric (mm)
| Thread size | M3 | M4 | M5 | M6 | M8 |
|---|---|---|---|---|---|
| Min rec sheet thickness | 1.0 | 1.0 | 1.0 | 1.6 | 2.4 |
| Hole +0.08 -0.0 | 3.0 | 4.0 | 5.0 | 6.0 | 8.0 |
| Min distance to edge of sheet | 5.6 | 7.2 | 7.2 | 7.9 | 9.0 |
Hole sizes - inches
| Imperial dimensions | ||||
|---|---|---|---|---|
| Thread size | 4 | 6 | 8 | 10 |
| Min rec sheet thickness | 0.40 | .040 | .040 | .040 |
| Hole +0.08 -0.0 | .111 | .137 | .163 | .189 |
| Min distance to edge of sheet | .220 | .250 | .280 | .280 |
Tooling - standard
| Sheet thickness: up to 1.5mm for M3 to M5 threads 1.51mm to 2.4mm for M6 thread | |||
|---|---|---|---|
 |
Thread size | D mm +0.08 | B mm +0.1 |
| M2.5 | 2.53 | 3.1 | |
| M3 | 3.03 | 3.6 | |
| M3.5 | 3.53 | 4.1 | |
| M4 | 4.03 | 4.6 | |
| M5 | 5.03 | 5.6 | |
| M6 | 6.03 | 6.6 | |
| M8 | 8.03 | - | |
| Sheet thickness: 1.51mm to 2.4mm for M3 to M5 threads over 2.4mm for M6 & M8 threads | ||
|---|---|---|
 |
Thread size | D mm +0.08 |
| M2.5 | 2.53 | |
| M3 | 3.03 | |
| M3.5 | 3.53 | |
| M4 | 4.03 | |
| M5 | 5.03 | |
| M6 | 6.03 | |
| M8 | 8.03 | |
Tooling - hard stainless
  |
||||||
|---|---|---|---|---|---|---|
| Thread size | A mm +0.08 | B mm +/-0.05 | C mm +/-0.05 | P mm +/-0.025 | R1 Max. | R2 Max. |
| M3 | 3.05 | 3.81 | 4.57 | 0.25 | 0.08 | 0.13 |
| M4 | 4.04 | 4.95 | 5.82 | 0.25 | 0.08 | 0.13 |
| M5 | 5.08 | 6.15 | 7.16 | 0.25 | 0.08 | 0.13 |
| M6 | 6.05 | 7.87 | 8.79 | 0.51 | 0.08 | 0.13 |