Application

Friction pipe bolts type ø33 ø39 ø48 are designed for roof and ribs support in mine working areas as an independent or secondary bolting roof support system. They are also used for the attachment of various components of mining equipment.

Installation procedure

Drill a hole of a length equal to the length of the bolt.

Preassemble the anchor by placing the washer on the rod. Prepare the bolt for installation by inserting the end into the borehole and the ring in the socket of the percussion machine with impact energy of 200 ÷ 250 J.
The bolt should be hammered in till the washer rests against the rock surface.

Technical data