Kebanyakan steel grating memiliki permukaan bergerigi atau bertalang, yang membantu mencegah selip dan meningkatkan daya cengkram. The Safegrid Tread is created with integral end plates with drilled holes so they are often bolted to stair stringers. Our drilled hole positions have been standardised across our tread selection, but choice drillings https://jualplatgratingsurabaya91356.blogzag.com/74094642/jual-grating-galvanis-surabaya-can-be-fun-for-anyone