Timco Twin-Threaded Woodscrews PZ Double Countersunk 4x3/4 Zinc Plated 00434CWZ Box of 200

The TIMco Twin Thread Zinc Countersunk Woodscrew is designed for general use in softwood and various hardwoods. This traditional twin-thread screw features a single lead start for a fast installation and is suitable for soft timber applications or masonry when used with a plastic plug. It is manufactured from C10-18 steel with zinc plating (3–5 microns) and is surface hardened up to 750 HV with a core hardness up to 450 HV, providing improved ductility and resistance to torqueing under load. The screw has a double countersunk head to reduce head shear and aids flush seating, a parallel shank to facilitate faster insertion, and a 25° sharp point with 60° twin-threads for easy thread engagement and pull-out resistance. It is designed and manufactured to BS 1210 standards and is compatible with TIMco and other leading plastic expansion plugs for masonry use.

Features

• Twin-thread design with single lead for fast start
• Double countersunk head reduces head shear
• Parallel shank for faster insertion
• Surface hardened up to 750 HV; core to 450 HV
• 25° sharp point; 60° twin-threads
• Compatible with plastic expansion plugs

Technical specifications

Size: 4 x 3/4; Material: C10-18 steel; Plating: Zinc (3–5 microns); Partially threaded from 1 1/4” and above; Designed to BS 1210 standards; Suitable for general use in softwood and hardwood and masonry with plastic plugs