Tight metal grating ZMR.000 is designed to support the enclosing rocks of mine workings of coal mines fixed with frame, anchor and mixed supports.
The tightening is made of low-alloy thermally untreated wire with a diameter of 5.5 mm in accordance with GOST 3282 or from round wire according to TU 14-15-212-89, GOST 2590 with contact spot welding.
The tightening has rectangular cells no more than 50х50 mm along the axes of the wire. Carrying capacity not less than 20 kN / m².
Tightening weight is 17,19 kg.