TIMCO 00634CWZ Twin Threaded Woodscrews PZ Double Countersunk, Zinc Plated, 3.5 x 20mm, Set of 200 Pieces

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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 head and are plated in zinc, ensuring durability and resistance to corrosion. The twin thread design allows for faster insertion and greater pull-out resistance, making them ideal for a variety of applications. Technical specifications Size: 6 x 3/4 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 single lead Sharp point angle: 25° Thread acceptance angle: 24° Compatibility and accessories Suitable for TIMco and all other leading plastic expansion plugs Usage Primarily used in soft timber applications Can also be used in masonry with a plastic plug

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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