The TIMco Twin Thread Zinc Countersunk Woodscrew is designed for general woodworking in softwood and various types of hardwood. It features a single lead start for fast installation, with a traditional twin-thread design that improves thread acceptance and pull-out resistance. The screw is suitable for use in masonry applications when paired with a plastic expansion plug, and its double countersunk head helps reduce head shear and aids flush countersinking. Constructed from C10-18 steel, it provides durable performance with zinc plating for corrosion resistance. The screw is partially threaded from 1 1/4 inches and above, with a 25° sharp point to ease penetration.
Features
- Twin-thread with single lead start
- 8 x 1 inch size
- Zinc plating 3–5 microns
- Double countersunk head reduces head shear
- 60° twin-threads with parallel shank
- 25° sharp point for fast start
Technical specifications
Price History
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