Calculate the exact weight of your sheet metal fasteners instantly. Our Phillips Pan Head Self Tapping Screw Calculator is designed for cross-recessed screws that cut their own threads (DIN 7981 / ISO 7049).
Whether for HVAC ductwork, thin sheet metal, or plastic enclosures, precision matters. These self-tapping screws eliminate the need for pre-tapped holes, drastically reducing assembly time. Get accurate weight data in seconds.
Supported Size Range:
- ✔ Diameters: ST2.2, ST2.9, ST3.5, ST4.2, ST4.8, ST5.5, up to ST6.3.
- ✔ Lengths: Ranging from 4.5mm up to 150mm.
- ✔ Key Feature: Self-Tapping Thread (Forms its own mating thread while the pan head provides a wide clamping surface).
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Phillips Pan Head Self Tapping Screw Weight Chart (Stainless Steel 304, g/pc)
| Spec \ Length(mm) | 6.5 | 9.5 | 13 | 16 | 19 | 25 | 32 | 38 | 50 |
|---|---|---|---|---|---|---|---|---|---|
| ST2.2 | 0.19 | 0.24 | 0.31 | 0.36 | 0.41 | 0.52 | — | — | — |
| ST2.9 | 0.41 | 0.49 | 0.59 | 0.68 | 0.77 | 0.94 | 1.1 | 1.3 | 1.7 |
| ST3.5 | 0.68 | 0.83 | 0.99 | 1.1 | 1.3 | 1.6 | 1.9 | 2.2 | 2.8 |
| ST3.9 | 0.86 | 1.0 | 1.2 | 1.4 | 1.6 | 1.9 | 2.3 | 2.6 | 3.3 |
| ST4.2 | 1.1 | 1.3 | 1.5 | 1.7 | 1.9 | 2.3 | 2.8 | 3.2 | 4.0 |
| ST4.8 | — | 1.9 | 2.2 | 2.4 | 2.7 | 3.2 | 3.8 | 4.4 | 5.4 |
| ST5.5 | — | — | 2.8 | 3.1 | 3.5 | 4.2 | 5.0 | 5.7 | 7.1 |
| ST6.3 | — | — | 4.3 | 4.8 | 5.2 | 6.1 | 7.2 | 8.2 | 10.0 |
Note: Weights shown are for Stainless Steel 304. For other materials, multiply by the density ratio. "—" indicates length not available for this specification.
