Friction anchor bolt

Friction anchor bolt is one kind of anchor bolt. This kind of anchor bolt improves rock stability and safety factors by tightening as lateral strata movement occurs. Friction anchor bolt is primarily used in metalliferous mining operations, but is also well suited for rib support in coal operations. Friction anchor bolt is available in two sizes: 33 mm and 39 mm. Strength and Versatility anchor bolt is manufactured from highstrength steel. For increased protection against corrosion, the anchor bolt is available in galvanized and stainless steel.

Installation process of anchor bolt:
1. The first step, drilling hole at proper diameter and depth. Diameter is determined by on-site testing.
2. Insert anchor bolt into the hole. A driving tool is fitted into the rock drill’s chuck. Place anchor bolt and plate onto the installation tool.
3. Using percussion and thrust, fully drive the anchor bolt into the hole until the anchor plate is tight against the rock surface.

Application of anchor bolt
This kind of anchor bolt can be used in tunneling, mining, hydroelectric station and civil construction. Sinorock anchor bolt has been exported to many countries and used to many construction projects. Due to the strict quality control system, Sinorock anchor bolt wins great reputation from our customers.