The square neck bites into the wood when tightened, preventing the bolt from spinning while the nut is fastened. The domed head leaves a smooth, snag-free finish that cannot be easily unscrewed from the top, enhancing security.
Zinc coated steel defends against rust and corrosion. It significantly extends the lifespan of the fixing in indoor environments or covered outdoor applications while maintaining a clean, silver-colored aesthetic.
A smooth, domed head with a square neck positioned underneath.