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SK Self-Clinching KEYHOLE Fasteners from the PEM Fasteners catalogue, page 207.
| Property | Value |
|---|---|
| Hardened Steel | SKS |
| Property | Value |
|---|---|
| Face Mounting Designation Code | R |
| Top Sheet Thickness Code | 2 |
| Neck Diameter Code | 4.0 |
| A (Shank) Max. | 1 mm |
| B ±0.08 | 6.5 mm |
| C Max. | 6.98 mm |
| H Nom. | 7.8 mm |
| M Max. | 4.25 mm |
| N ±0.08 | 4 mm |
| S +0.08 −0.21 | 3.23 mm |