TIMCO Twin Threaded Woodscrews PZ Double Countersunk 4 x 1/2 Zinc Plated Box of 200

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General description The TIMco Twin Thread Zinc Countersunk Woodscrew is designed for general use in softwood and various types of hardwood. These screws feature a double countersunk design and are plated in zinc, ensuring durability and resistance to corrosion. Technical specifications Size: 4 x 1/2 inches Material: C10-18 Steel Plating: Zinc (3-5 microns) Surface hardness: Up to 750 HV Core hardness: Up to 450 HV Thread type: Twin thread with a single lead thread Sharp point angle: 25° Thread angle: 60° Compatibility and accessories Suitable for TIMco and all other leading plastic expansion plugs Usage Designed for general use in softwood and hardwood applications Allows for faster insertion and greater pull out resistance Reduces the likelihood of head shear and assists in countersinking

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Double countersunk head reduces the likelihood of head shear and assists completion of countersinking Partially threaded from 1 1/4” and above Made from C10-18 steel to ensure consistent quality 60° twin-threads with parallel shank for faster insertion and greater pull-out resistance Surface hardened up to 750 HV to prevent torque shearing under load and a core hardness of up to 450 HV for improved ductility 25° sharp point and single lead for a fast start and improved thread acceptance, Manufacturer: TIMCO