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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 | 2.5 |
| Neck Diameter Code | 2.5 |
| A (Shank) Max. | .039 in |
| B ±.003 | .177 in |
| C Max. | .212 in |
| H Nom. | .236 in |
| M Max. | 1.87 in |
| N ±.003 | .099 in |
| S +.003 −.008 | .147 in |