Self drilling anchors made of nylon for use in gypsum panels, drywalls and plaster boards

Architectural fasteners of non-metallic materials; Fasteners (other than for clothing) made principally of plastics; Non-metallic fasteners; Non-metallic industrial fasteners; Plastic fasteners; Reclosable fasteners of plastics (other than for clothing); Screw threaded fasteners, not of metal; Self-clinching fasteners made of non-metallic materials; Self-piercing non-metallic fasteners for sheet material applications; Threaded fasteners made of plastic; Anchors (wall plugs not of metal); Non-metallic hooks for wall hangings; Wall hooks of non-metallic materials; Pegs and pins, not of metal, for anchoring and fixing