These Impact wood screws 5.0 × 100mm are heavy-duty, zinc & yellow passivated structural screws, supplied in a robust site tub containing approximately 800 screws, complete with driver bits included for immediate use on site.
Designed for use with impact drivers, these screws feature a Type 17 point for rapid starting and reduced splitting, a ribbed double countersunk head for a clean, flush finish, and a part-threaded shank to pull heavy timber sections tightly together while preventing jacking. The milling shank assists clearance through the first fixing layer, improving clamp force and installation efficiency.
Manufactured for structural timber applications and compliant with EN 10083-2 / EN 14592, the 100mm length is ideal for deep structural fixings, including trimmers, joists, heavy framing, built-up roof substrates, thick timber connections and multi-layer assemblies where maximum embedment and pull-out resistance are required.
KEY TECHNICAL DETAILS
- Diameter: 5.0mm
- Length: 100mm
- Finish: Zinc & yellow passivated
- Head type: Ribbed double countersunk
- Point: Type 17
- Standards: EN 10083-2 / EN 14592
- Pack size: Approx. 800
- Extras: Driver bits included









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