TimCo Twin-Threaded Woodscrews 5 x 5/8 Zinc Plated Box of 200

The TIMco Twin Thread Zinc Countersunk Woodscrew is designed for general use in softwood and various types of hardwood. This traditional twin-thread screw features a single lead start for fast installation and is effective in soft timber applications or masonry when used with a plastic plug. It is specified as size 5 x 5/8 inches, made from C10-18 steel, with zinc plating (3-5 microns). The screw has a surface hardness up to 750 HV and core hardness up to 450 HV, with a 60° twin-thread and a 25° sharp point. A double countersunk head reduces the likelihood of head shear, and the thread is partially threaded from 1 1/4 inches and above. It is compatible with TIMco and other leading plastic expansion plugs and is designed and manufactured to BS 1210 standards, ensuring consistent quality and performance.

Key features

• Size: 5 x 5/8 inches
• Material: C10-18 steel, zinc-plated (3-5 microns)
• Hardness: surface up to 750 HV; core up to 450 HV
• Twin-thread with single lead start; 60° thread angle
• Double countersunk head; reduces head shear
• Suitable for softwood, hardwood, and masonry with plastic plugs