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SI INSERTS FOR PLASTICS from the PEM SI Threaded Inserts for Plastics catalogue, page 14.
| Property | Value |
|---|---|
| Thread Size | .250-20 (1/4-20) |
| Thread Code (1) | 0420 |
| A ± .005 | .375 in |
| E Nom. | .344 in |
| C ± .005 | .321 in |
| S₁ Nom. | .06 in |
| S₂ Nom. | .09 in |
| Minor Dia. Min./Max. | .197/.207 |
| Property | Value |
|---|---|
| Brass | ITB |