5 screw sizes available.
M3x50 ~ min cavity depth 20mm, required hole diameter 11mm, max wall & fixture thickness 30mm.
M5x50 ~ min cavity depth 30mm, required hole diameter 14mm, max wall & fixture thickness 20mm.
M5x75 ~ min cavity depth 30mm, required hole diameter 14mm, max wall & fixture thickness 45mm.
M5x100 ~ min cavity depth 30mm, required hole diameter 14mm, max wall & fixture thickness 70mm.
M6x75 ~ min cavity depth 30mm, required hole diameter 18mm, max wall & fixture thickness 45mm.