X-FCM R HL is a stainless steel grating disc with increased load capacities which ensure safe and reliable grating installation. It is used with the new generation X-BT-GR M8 threaded blunt tip stud. For fastening of grating with openings between bars from 18-44 mm and equipped with locking technology to prevent loosening. Please see the dimensions tab below to find the right combination of grating disk and fasteners for your specific grating (do not use the numbers in the product name). Torque 20Nm. Qty/pack: 100 items.