- The efficiency and effectiveness of tunnel drilling greatly depend on the quality and performance of rock drill tools. High-quality rock drill tools are essential for achieving precise and accurate drilling results. They must be durable, reliable, and capable of withstanding the harsh conditions of tunnel drilling.
Gratings & Covers





When installed in manholes or potential pedestrian traffic areas, flow monitoring flumes can be a hazard. A typical flume installation is an open trough that that an operator can inadvertently step or fall into.

fiberglass 90 degree elbow. This can lead to longer lifespans and lower maintenance costs for the overall system.

Download our Grating Selection Chart to help you find the right type of grating. To help you with load calculations, we have a handy molded grating load table PDF with information on the load capacities of different grating sizes.
As we all know, there are fiberglass pultruded gratings and fiberglass molded gratings, but how to divide gratings by the shape? Generally speaking, fiberglass grating can be divided to four categories, the most important is divide according to product usage as well as the characteristics of their classification.
According to common usage rules it can be roughly divided to following few categories:
