Description
Overview
Cross recessed pan head self drilling screw, Case Hardened Steel, Zinc Plated, size 4.2 mm x 16 MM.
Sold per piece. Screwman code THWTEK816H.
Description: SELF DRILLING SCREWS DIN 7971 MILD STEEL 4.6 ZINC PLATED PAN SLOTTED 8 X 16
Dimensions – DIN 7504 M / ISO 15481 4.2 mm x 16 MM
| Standard | DIN 7504 M / ISO 15481 |
|---|---|
| Product | Cross recessed pan head self drilling screw |
| Thread | ST 4.2 (No. 8) |
| Length (l) | 16 mm |
| Head diameter (dk) | 8.2 mm |
| Head height (k) | 3.05 mm |
| Drive | Phillips PH2 |
| Drilling capacity (steel) | 1.75-3.0 mm (typical) |
Material, Grade & Strength
| Material | Case-hardened carbon steel |
|---|
Finish & Corrosion Protection
Zinc plated (clear/blue passivated): Electroplated zinc, typically 5-8 um (ISO 4042). Economical protection for dry indoor and light outdoor use; white rust in neutral salt spray typically from ~24-72 h depending on passivate.
DIN 7504 M data sheet – all sizes
| Size | Head dia (dk) | Head height (k) | Drive | Drilling capacity |
|---|---|---|---|---|
| ST 3.5 | 6.9 mm | 2.6 mm | PH2 | 0.7-2.25 mm |
| ST 3.9 | 7.5 mm | 2.8 mm | PH2 | 0.7-2.4 mm |
| ST 4.2 | 8.2 mm | 3.05 mm | PH2 | 1.75-3.0 mm |
| ST 4.8 | 9.5 mm | 3.55 mm | PH2 | 1.75-4.4 mm |
| ST 5.5 | 10.8 mm | 3.95 mm | PH3 | 1.75-5.25 mm |
| ST 6.3 | 12.5 mm | 4.55 mm | PH3 | 2.0-6.0 mm |
Nominal dimensions per DIN 7504 M / ISO 15481. Weights are calculated from nominal dimensions and are a guide only (±10%). Values for fit and strength should be confirmed against the standard for critical applications.
Specifications
No structured specifications are available yet.