TIMCO Twin Threaded Woodscrews PZ Double Countersunk 4 x 1 Zinc Plated Box of 200

The TIMco Twin Thread Zinc Countersunk Woodscrew is designed for general use in softwood and various hardwoods. It features a double countersunk head and zinc plating for durability and corrosion resistance. The screw’s twin thread enables faster insertion and greater pull-out resistance, making it suitable for a range of applications. It is made from C10-18 steel and is partially threaded from 1 1/4 inch, with a 25° sharp point and 60° twin-threads that promote quick starts and better thread acceptance. The product is compatible with plastic expansion plugs and can be used in masonry when combined with a plug, providing flexibility across projects.

Features

• Size 4 x 1 inch
• Zinc plating 3–5 microns
• 60° twin-threads with single lead
• Partially threaded from 1¼ inch
• Double countersunk head for flush finish
• C10-18 steel for consistent quality

Description and Usage

Designed for soft timber applications and versatile enough for various hardwoods, this screw delivers faster insertion and greater pull-out resistance thanks to its twin-threaded design. The 25° sharp point and 60° twin-threads support a fast start and improved thread acceptance, while the partially threaded shank from 1¼ inch enhances performance. The double countersunk head reduces head shear and aids countersinking for a flush finish. For added versatility, it is compatible with plastic expansion plugs and can be used in masonry with a plastic plug.