1,070,276. Nuts; washers; wall plugs. A. FISCHER. Aug. 4, 1964 [July 26, 1963 (2)], No. 31135/64. Heading F2H. A nut and washer device of synthetic plastics material for securing a toilet basin, for example, to a screw 1 anchored in a wall plug 4, comprises a hexagonal head 6 and a sleeve portion 8, having an annular recess 8b, surrounded by a washer 7 with a concave face 7a. When tightened the face 7a lies flat on the basin and the sleeve 8 projects into, the hole 2a.