General description Senco DuraSpin® Collated Screws are designed specifically for fastening drywall to light steel applications. These screws feature a self-drilling design, making installation quick and efficient. Technical specifications Size: 3.9 x 25mm Drive type: Phillips No.2 Finish: Phosphate zinc Thread type: Fine-thread Pack size: 1000 screws (50 screws per strip) Compatibility and accessories Suitable for both cordless and mains operated machines Usage Used for fastening interior drywall to light gauge metal studs Other information CE-marked (EN145566)