Calculate the exact weight of your rapid-assembly metal fasteners instantly. Our Phillips Pan Head Self Drilling Screw Weight Calculator is designed specifically for cross-recessed screws featuring a built-in drill point (DIN 7504 N / ISO 15481 standards).
Whether for HVAC ductwork, aluminum framing, or general sheet metal assembly, precision matters. Often referred to as Tek screws, these fasteners drill, tap, and secure in a single operation, completely eliminating the need for pre-drilled pilot holes. Get accurate weight data for your bulk orders in seconds.
Supported Size Range:
- ✔ Diameters: ST2.9, ST3.5, ST4.2, ST4.8, ST5.5, up to ST6.3.
- ✔ Lengths: Ranging from short 6.5mm screws to longer 120mm fasteners.
- ✔ Key Feature: Drill Bit Point (Acts as its own drill bit to penetrate metal thickness quickly, saving significant installation time).
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Phillips Pan Head Self Drilling Screw Weight Chart (Stainless Steel 304, g/pc)
| Spec \ Length(mm) | 6.5 | 9.5 | 13 | 16 | 19 | 25 | 32 | 38 | 50 |
|---|---|---|---|---|---|---|---|---|---|
| ST2.9 | 0.43 | 0.52 | 0.61 | 0.70 | 0.78 | 0.95 | 1.1 | 1.3 | 1.6 |
| ST3.5 | 0.64 | 0.77 | 0.93 | 1.1 | 1.2 | 1.5 | 1.8 | 2.0 | 2.6 |
| ST3.9 | — | 0.97 | 1.2 | 1.3 | 1.5 | 1.8 | 2.2 | 2.5 | 3.2 |
| ST4.2 | — | 1.2 | 1.4 | 1.5 | 1.7 | 2.1 | 2.5 | 2.8 | 3.5 |
| ST4.8 | — | — | 2.0 | 2.2 | 2.5 | 3.0 | 3.7 | 4.2 | 5.3 |
| ST5.5 | — | — | — | 3.0 | 3.3 | 4.0 | 4.8 | 5.5 | 6.9 |
| ST6.3 | — | — | — | 4.3 | 4.8 | 5.7 | 6.8 | 7.8 | 9.7 |
Note: Weights shown are for Stainless Steel 304. For other materials, multiply by the density ratio. "—" indicates length not available for this specification.
