Self-Drilling Countersunk Screws Zinc Plated BZP Wood Metal PVC
BZP self-drilling countersunk screws for wood, metal and PVC, 13-75mm lengths. Two-stage drill-then-thread action reduces splitting risk.
✅ Suitable for: General fixing and hanging (3.5-4.2mm)
Fast UK
Delivery
Delivery
60-Day
Free Returns
Free Returns
Strict Quality
Control
Control
Self-Drilling Fluted Point
Cuts its own pilot hole on contact, removing a separate drilling step.
ISO 15482 Standard
Manufactured for consistent thread form and point geometry.
BZP Finish
Bright zinc plated finish gives a clean appearance and good general corrosion resistance.
Countersunk Head
Sits flush with the surface once fully driven, for a neat finish.
Solid Steel Construction
For reliable driving performance under repeated use.
Three Diameters
3.5mm, 3.9mm and 4.2mm, to match the fixing to the job.
Full Length Range
13mm up to 75mm across 12 diameter/length combinations.
Two-Stage Action
Drill-then-thread action reduces the risk of splitting material compared to a standard wood screw.
Technical Specification
| Material | Steel, BZP Finish |
| Standard | ISO 15482 |
| Head Type | Countersunk |
| Point Type | Self-Drilling Fluted |
| 3.5mm Diameter Lengths | 13mm / 16mm / 19mm / 25mm / 32mm / 38mm / 42mm / 50mm |
| 3.9mm Diameter Lengths | 25mm / 32mm |
| 4.2mm Diameter Lengths | 65mm / 75mm |