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 fast installation and is effective in soft timber applications or masonry when used with a plastic plug. It measures 8 x 3 and is made from C10-18 steel with zinc plating (3–5 microns). The screw is surface hardened up to 750 HV and has a core hardness of up to 450 HV, with 60° twin-threads and a 25° sharp point to aid rapid thread acceptance. Partially threaded from 1¼
Features
- Twin-thread with single lead for fast start
- 8 x 3 size, C10-18 steel
- Zinc plated, 3–5 microns
- 60° twin-threads, 25° point
- Partially threaded from 1¼" and up
- Suitable for softwood, hardwood, masonry with plug
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