Twinfast Screws Bronze

These bronze twinfast wood screws have a considerably higher tensile strength than brass screws. Though not as high as a solid woodscrew is, as these have a rolled thread, that is pushed out rather than cut from a solid format, for the stronger we suggest

https://www.boat.net.nz/products/wood-screws-bronze-countersunk-head-and-square-drive? pos=21& sid=c86a8125e& ss=r&variant=32612168466517

With screws, the larger the gauge number, the fatter the screw, for example 1" (25mm) x 8 guage is thinner than 1" (25mm) x 10 guage. With nails the opposite is true.

Their resistance to de-zinc-ification is also greater and therefore ideal for high quality marine work and under water use.