TIMCO Twin Threaded Woodscrews PZ Double Countersunk 12 x 4 Zinc Plated Box of 100

General description The TIMco Twin Thread Zinc Countersunk Woodscrew is designed for general use in softwood and various types of hardwood. This traditional twin-thread woodscrew features a single lead start for fast installation and is particularly effective in soft timber applications or masonry when used with a plastic plug. Technical specifications Size: 12 x 4 Material: C10-18 Steel Plating: Zinc plated (3-5 microns) Surface hardness: Up to 750 HV Core hardness: Up to 450 HV Thread type: Twin thread with single lead Sharp point angle: 25° Thread acceptance angle: 24° Partially threaded from 1 1/4" Compatibility and accessories Compatible with TIMco and all other leading plastic expansion plugs. Usage Ideal for general use in softwood and hardwood applications. Suitable for masonry when used with a plastic plug. Other information Designed and manufactured to BS 1210 Standards. Double countersunk design reduces the likelihood of head shear and assists in countersinking. The twin